Home / 120,472.20-166,253.04-66,757.86

Finding the Fourth Proportional to 120,472.20, 166,253.04 and 66,757.86

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Solution

The fourth proportional to 120,472.20, 166,253.04 and 66,757.86 is: 92,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,472.20 : 166,253.04 = 66,757.86 : x
  2. Step 2: Convert to fraction form
    120,472.20/166,253.04 = 66,757.86/x
  3. Step 3: Cross multiply
    120,472.20x = 166,253.04 × 66,757.86
  4. Step 4: Simplify right side
    120,472.20x = 11,098,697,168.89
  5. Step 5: Solve for x
    x = 11,098,697,168.89/120,472.20
  6. Step 6: Final answer
    x = 92,126.62

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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.