Home / 80,238.38-120,382.76-48,254.27

Finding the Fourth Proportional to 80,238.38, 120,382.76 and 48,254.27

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Solution

The fourth proportional to 80,238.38, 120,382.76 and 48,254.27 is: 72,396.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,238.38 : 120,382.76 = 48,254.27 : x
  2. Step 2: Convert to fraction form
    80,238.38/120,382.76 = 48,254.27/x
  3. Step 3: Cross multiply
    80,238.38x = 120,382.76 × 48,254.27
  4. Step 4: Simplify right side
    80,238.38x = 5,808,981,361.20
  5. Step 5: Solve for x
    x = 5,808,981,361.20/80,238.38
  6. Step 6: Final answer
    x = 72,396.55

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1.5x scale

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.