Finding the Fourth Proportional to 115,129.95, 172,694.93 and 35,164.68
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Solution
The fourth proportional to 115,129.95, 172,694.93 and 35,164.68 is: 52,747.02
Step by Step Solution
- Step 1: Write the proportion equation
115,129.95 : 172,694.93 = 35,164.68 : x - Step 2: Convert to fraction form
115,129.95/172,694.93 = 35,164.68/x - Step 3: Cross multiply
115,129.95x = 172,694.93 × 35,164.68 - Step 4: Simplify right side
115,129.95x = 6,072,761,951.07 - Step 5: Solve for x
x = 6,072,761,951.07/115,129.95 - Step 6: Final answer
x = 52,747.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.