imma point out something no1 else has said. get rid of betta if u want gourami's they are very similar in genetics and in the wild are rivals. the will fight and one will be DEAD
no problem, i went with a total of 5 pearl gouramis, 1 male and 4 females, and a total of three female three spots, a blue, gold, and opaline. its been three days and all is great, some harmless chasing but no one is stressed and it actually looks like a really nice tank now, i like all the gentle slow moving fish