Finding the Fourth Proportional to 125,169.07, 187,773.99 and 40,904.77
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Solution
The fourth proportional to 125,169.07, 187,773.99 and 40,904.77 is: 61,363.82
Step by Step Solution
- Step 1: Write the proportion equation
125,169.07 : 187,773.99 = 40,904.77 : x - Step 2: Convert to fraction form
125,169.07/187,773.99 = 40,904.77/x - Step 3: Cross multiply
125,169.07x = 187,773.99 × 40,904.77 - Step 4: Simplify right side
125,169.07x = 7,680,851,872.93 - Step 5: Solve for x
x = 7,680,851,872.93/125,169.07 - Step 6: Final answer
x = 61,363.82
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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.