Home / 84,772.20-127,158.30-25,601.70

Finding the Fourth Proportional to 84,772.20, 127,158.30 and 25,601.70

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Solution

The fourth proportional to 84,772.20, 127,158.30 and 25,601.70 is: 38,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,772.20 : 127,158.30 = 25,601.70 : x
  2. Step 2: Convert to fraction form
    84,772.20/127,158.30 = 25,601.70/x
  3. Step 3: Cross multiply
    84,772.20x = 127,158.30 × 25,601.70
  4. Step 4: Simplify right side
    84,772.20x = 3,255,468,649.11
  5. Step 5: Solve for x
    x = 3,255,468,649.11/84,772.20
  6. Step 6: Final answer
    x = 38,402.55

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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.