ὑποτετρᾰμερής · hypotetramerēs — LSJ
in the ratio of 1: 1 4/5 = 5/9, Iamb. in Nic. p.42 P.: —ὑποτετραπλᾰσιεπίτρῐτος, ον, contained 4 1/3 times, i.e. in the ratio of 3/13, Domnin. in Boisson. Anecd. 4.420; and ὑποτετραπλάσιος [πλᾰ], ον, ‘subquadruple’, i.e. in the ratio of 1/4, Nicom. Ar. 1.18.