Finding the Fourth Proportional to 147,737.76, 203,894.16 and 91,147.68
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Solution
The fourth proportional to 147,737.76, 203,894.16 and 91,147.68 is: 125,793.70
Step by Step Solution
- Step 1: Write the proportion equation
147,737.76 : 203,894.16 = 91,147.68 : x - Step 2: Convert to fraction form
147,737.76/203,894.16 = 91,147.68/x - Step 3: Cross multiply
147,737.76x = 203,894.16 × 91,147.68 - Step 4: Simplify right side
147,737.76x = 18,584,479,649.55 - Step 5: Solve for x
x = 18,584,479,649.55/147,737.76 - Step 6: Final answer
x = 125,793.70
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1.5x scale
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.