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Finding the Fourth Proportional to 80,157.68, 110,550.48 and 60,061.76

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Solution

The fourth proportional to 80,157.68, 110,550.48 and 60,061.76 is: 82,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,157.68 : 110,550.48 = 60,061.76 : x
  2. Step 2: Convert to fraction form
    80,157.68/110,550.48 = 60,061.76/x
  3. Step 3: Cross multiply
    80,157.68x = 110,550.48 × 60,061.76
  4. Step 4: Simplify right side
    80,157.68x = 6,639,856,397.64
  5. Step 5: Solve for x
    x = 6,639,856,397.64/80,157.68
  6. Step 6: Final answer
    x = 82,834.94

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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.