Finding the Fourth Proportional to 121,446.24, 167,591.68 and 67,000.58
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Solution
The fourth proportional to 121,446.24, 167,591.68 and 67,000.58 is: 92,458.52
Step by Step Solution
- Step 1: Write the proportion equation
121,446.24 : 167,591.68 = 67,000.58 : x - Step 2: Convert to fraction form
121,446.24/167,591.68 = 67,000.58/x - Step 3: Cross multiply
121,446.24x = 167,591.68 × 67,000.58 - Step 4: Simplify right side
121,446.24x = 11,228,739,763.17 - Step 5: Solve for x
x = 11,228,739,763.17/121,446.24 - Step 6: Final answer
x = 92,458.52
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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.