Finding the Fourth Proportional to 125,197.11, 187,545.24 and 75,250.08
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Solution
The fourth proportional to 125,197.11, 187,545.24 and 75,250.08 is: 112,724.60
Step by Step Solution
- Step 1: Write the proportion equation
125,197.11 : 187,545.24 = 75,250.08 : x - Step 2: Convert to fraction form
125,197.11/187,545.24 = 75,250.08/x - Step 3: Cross multiply
125,197.11x = 187,545.24 × 75,250.08 - Step 4: Simplify right side
125,197.11x = 14,112,794,313.62 - Step 5: Solve for x
x = 14,112,794,313.62/125,197.11 - Step 6: Final answer
x = 112,724.60
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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.