Finding the Fourth Proportional to 125,189.13, 187,813.20 and 40,948.95
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Solution
The fourth proportional to 125,189.13, 187,813.20 and 40,948.95 is: 61,433.08
Step by Step Solution
- Step 1: Write the proportion equation
125,189.13 : 187,813.20 = 40,948.95 : x - Step 2: Convert to fraction form
125,189.13/187,813.20 = 40,948.95/x - Step 3: Cross multiply
125,189.13x = 187,813.20 × 40,948.95 - Step 4: Simplify right side
125,189.13x = 7,690,753,336.14 - Step 5: Solve for x
x = 7,690,753,336.14/125,189.13 - Step 6: Final answer
x = 61,433.08
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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.