Finding the Fourth Proportional to 119,750.49, 165,253.23 and 66,036.96
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Solution
The fourth proportional to 119,750.49, 165,253.23 and 66,036.96 is: 91,129.66
Step by Step Solution
- Step 1: Write the proportion equation
119,750.49 : 165,253.23 = 66,036.96 : x - Step 2: Convert to fraction form
119,750.49/165,253.23 = 66,036.96/x - Step 3: Cross multiply
119,750.49x = 165,253.23 × 66,036.96 - Step 4: Simplify right side
119,750.49x = 10,912,820,939.38 - Step 5: Solve for x
x = 10,912,820,939.38/119,750.49 - Step 6: Final answer
x = 91,129.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.