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Finding the Fourth Proportional to 120,737.58, 166,615.56 and 67,023.24

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Solution

The fourth proportional to 120,737.58, 166,615.56 and 67,023.24 is: 92,490.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,737.58 : 166,615.56 = 67,023.24 : x
  2. Step 2: Convert to fraction form
    120,737.58/166,615.56 = 67,023.24/x
  3. Step 3: Cross multiply
    120,737.58x = 166,615.56 × 67,023.24
  4. Step 4: Simplify right side
    120,737.58x = 11,167,114,665.61
  5. Step 5: Solve for x
    x = 11,167,114,665.61/120,737.58
  6. Step 6: Final answer
    x = 92,490.79

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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.