$$\frac{ 1 }{ x } = \frac{ 2 }{ y } = \frac{ 8 }{ z } = \frac{ 12 }{ 147 }$$
$x=\frac{49}{4}\text{ and }y=\frac{49}{2}\text{ and }z=98$
$x = \frac{49}{4} = 12\frac{1}{4} = 12.25$
$y=\frac{49}{2}\text{ and }z=98$
$z=98$
$y=\frac{49}{2}\text{ and }x=\frac{49}{4}$
