Finding the Fourth Proportional to 134,964.70, 202,151.80 and 87,414.46
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Solution
The fourth proportional to 134,964.70, 202,151.80 and 87,414.46 is: 130,930.46
Step by Step Solution
- Step 1: Write the proportion equation
134,964.70 : 202,151.80 = 87,414.46 : x - Step 2: Convert to fraction form
134,964.70/202,151.80 = 87,414.46/x - Step 3: Cross multiply
134,964.70x = 202,151.80 × 87,414.46 - Step 4: Simplify right side
134,964.70x = 17,670,990,435.03 - Step 5: Solve for x
x = 17,670,990,435.03/134,964.70 - Step 6: Final answer
x = 130,930.46
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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.