Home / 122,737.38-169,378.59-69,021.92

Finding the Fourth Proportional to 122,737.38, 169,378.59 and 69,021.92

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Solution

The fourth proportional to 122,737.38, 169,378.59 and 69,021.92 is: 95,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,737.38 : 169,378.59 = 69,021.92 : x
  2. Step 2: Convert to fraction form
    122,737.38/169,378.59 = 69,021.92/x
  3. Step 3: Cross multiply
    122,737.38x = 169,378.59 × 69,021.92
  4. Step 4: Simplify right side
    122,737.38x = 11,690,836,170.97
  5. Step 5: Solve for x
    x = 11,690,836,170.97/122,737.38
  6. Step 6: Final answer
    x = 95,250.82

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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.