Finding the Fourth Proportional to 125,193.21, 187,755.80 and 36,423.69
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Solution
The fourth proportional to 125,193.21, 187,755.80 and 36,423.69 is: 54,625.64
Step by Step Solution
- Step 1: Write the proportion equation
125,193.21 : 187,755.80 = 36,423.69 : x - Step 2: Convert to fraction form
125,193.21/187,755.80 = 36,423.69/x - Step 3: Cross multiply
125,193.21x = 187,755.80 × 36,423.69 - Step 4: Simplify right side
125,193.21x = 6,838,758,872.78 - Step 5: Solve for x
x = 6,838,758,872.78/125,193.21 - Step 6: Final answer
x = 54,625.64
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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.