Finding the Fourth Proportional to 119,769.68, 165,283.44 and 66,056.96
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Solution
The fourth proportional to 119,769.68, 165,283.44 and 66,056.96 is: 91,159.31
Step by Step Solution
- Step 1: Write the proportion equation
119,769.68 : 165,283.44 = 66,056.96 : x - Step 2: Convert to fraction form
119,769.68/165,283.44 = 66,056.96/x - Step 3: Cross multiply
119,769.68x = 165,283.44 × 66,056.96 - Step 4: Simplify right side
119,769.68x = 10,918,121,584.74 - Step 5: Solve for x
x = 10,918,121,584.74/119,769.68 - Step 6: Final answer
x = 91,159.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.