Finding the Fourth Proportional to 125,934.28, 173,493.73 and 87,627.95
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Solution
The fourth proportional to 125,934.28, 173,493.73 and 87,627.95 is: 120,720.90
Step by Step Solution
- Step 1: Write the proportion equation
125,934.28 : 173,493.73 = 87,627.95 : x - Step 2: Convert to fraction form
125,934.28/173,493.73 = 87,627.95/x - Step 3: Cross multiply
125,934.28x = 173,493.73 × 87,627.95 - Step 4: Simplify right side
125,934.28x = 15,202,899,897.75 - Step 5: Solve for x
x = 15,202,899,897.75/125,934.28 - Step 6: Final answer
x = 120,720.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.