Finding the Fourth Proportional to 126,121.13, 189,092.99 and 58,581.46
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Solution
The fourth proportional to 126,121.13, 189,092.99 and 58,581.46 is: 87,830.98
Step by Step Solution
- Step 1: Write the proportion equation
126,121.13 : 189,092.99 = 58,581.46 : x - Step 2: Convert to fraction form
126,121.13/189,092.99 = 58,581.46/x - Step 3: Cross multiply
126,121.13x = 189,092.99 × 58,581.46 - Step 4: Simplify right side
126,121.13x = 11,077,342,191.59 - Step 5: Solve for x
x = 11,077,342,191.59/126,121.13 - Step 6: Final answer
x = 87,830.98
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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.