Finding the Fourth Proportional to 125,364.05, 187,869.26 and 69,229.43
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Solution
The fourth proportional to 125,364.05, 187,869.26 and 69,229.43 is: 103,746.50
Step by Step Solution
- Step 1: Write the proportion equation
125,364.05 : 187,869.26 = 69,229.43 : x - Step 2: Convert to fraction form
125,364.05/187,869.26 = 69,229.43/x - Step 3: Cross multiply
125,364.05x = 187,869.26 × 69,229.43 - Step 4: Simplify right side
125,364.05x = 13,006,081,438.17 - Step 5: Solve for x
x = 13,006,081,438.17/125,364.05 - Step 6: Final answer
x = 103,746.50
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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.