Home / 90,737.16-136,105.95-27,557.78

Finding the Fourth Proportional to 90,737.16, 136,105.95 and 27,557.78

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Solution

The fourth proportional to 90,737.16, 136,105.95 and 27,557.78 is: 41,336.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,737.16 : 136,105.95 = 27,557.78 : x
  2. Step 2: Convert to fraction form
    90,737.16/136,105.95 = 27,557.78/x
  3. Step 3: Cross multiply
    90,737.16x = 136,105.95 × 27,557.78
  4. Step 4: Simplify right side
    90,737.16x = 3,750,777,146.26
  5. Step 5: Solve for x
    x = 3,750,777,146.26/90,737.16
  6. Step 6: Final answer
    x = 41,336.73

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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.