Finding the Fourth Proportional to 146,732.38, 202,489.60 and 83,069.62
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Solution
The fourth proportional to 146,732.38, 202,489.60 and 83,069.62 is: 114,635.46
Step by Step Solution
- Step 1: Write the proportion equation
146,732.38 : 202,489.60 = 83,069.62 : x - Step 2: Convert to fraction form
146,732.38/202,489.60 = 83,069.62/x - Step 3: Cross multiply
146,732.38x = 202,489.60 × 83,069.62 - Step 4: Simplify right side
146,732.38x = 16,820,734,125.95 - Step 5: Solve for x
x = 16,820,734,125.95/146,732.38 - Step 6: Final answer
x = 114,635.46
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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.