Finding the Fourth Proportional to 125,197.83, 187,757.10 and 40,938.53
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Solution
The fourth proportional to 125,197.83, 187,757.10 and 40,938.53 is: 61,394.82
Step by Step Solution
- Step 1: Write the proportion equation
125,197.83 : 187,757.10 = 40,938.53 : x - Step 2: Convert to fraction form
125,197.83/187,757.10 = 40,938.53/x - Step 3: Cross multiply
125,197.83x = 187,757.10 × 40,938.53 - Step 4: Simplify right side
125,197.83x = 7,686,498,732.28 - Step 5: Solve for x
x = 7,686,498,732.28/125,197.83 - Step 6: Final answer
x = 61,394.82
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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.