Finding the Fourth Proportional to 125,250.91, 172,858.23 and 71,543.95
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Solution
The fourth proportional to 125,250.91, 172,858.23 and 71,543.95 is: 98,737.49
Step by Step Solution
- Step 1: Write the proportion equation
125,250.91 : 172,858.23 = 71,543.95 : x - Step 2: Convert to fraction form
125,250.91/172,858.23 = 71,543.95/x - Step 3: Cross multiply
125,250.91x = 172,858.23 × 71,543.95 - Step 4: Simplify right side
125,250.91x = 12,366,960,564.21 - Step 5: Solve for x
x = 12,366,960,564.21/125,250.91 - Step 6: Final answer
x = 98,737.49
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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.