Finding the Fourth Proportional to 125,040.19, 187,560.59 and 31,545.94
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Solution
The fourth proportional to 125,040.19, 187,560.59 and 31,545.94 is: 47,318.99
Step by Step Solution
- Step 1: Write the proportion equation
125,040.19 : 187,560.59 = 31,545.94 : x - Step 2: Convert to fraction form
125,040.19/187,560.59 = 31,545.94/x - Step 3: Cross multiply
125,040.19x = 187,560.59 × 31,545.94 - Step 4: Simplify right side
125,040.19x = 5,916,775,118.50 - Step 5: Solve for x
x = 5,916,775,118.50/125,040.19 - Step 6: Final answer
x = 47,318.99
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1.5x scale
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.