Finding the Fourth Proportional to 100,660.68, 151,107.66 and 54,004.68
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Solution
The fourth proportional to 100,660.68, 151,107.66 and 54,004.68 is: 81,069.60
Step by Step Solution
- Step 1: Write the proportion equation
100,660.68 : 151,107.66 = 54,004.68 : x - Step 2: Convert to fraction form
100,660.68/151,107.66 = 54,004.68/x - Step 3: Cross multiply
100,660.68x = 151,107.66 × 54,004.68 - Step 4: Simplify right side
100,660.68x = 8,160,520,823.85 - Step 5: Solve for x
x = 8,160,520,823.85/100,660.68 - Step 6: Final answer
x = 81,069.60
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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.