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Finding the Fourth Proportional to 80,153.82, 120,230.28 and 32,758.92

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Solution

The fourth proportional to 80,153.82, 120,230.28 and 32,758.92 is: 49,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,153.82 : 120,230.28 = 32,758.92 : x
  2. Step 2: Convert to fraction form
    80,153.82/120,230.28 = 32,758.92/x
  3. Step 3: Cross multiply
    80,153.82x = 120,230.28 × 32,758.92
  4. Step 4: Simplify right side
    80,153.82x = 3,938,614,124.10
  5. Step 5: Solve for x
    x = 3,938,614,124.10/80,153.82
  6. Step 6: Final answer
    x = 49,138.20

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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.