Home / 84,232.20-126,348.30-21,902.70

Finding the Fourth Proportional to 84,232.20, 126,348.30 and 21,902.70

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Solution

The fourth proportional to 84,232.20, 126,348.30 and 21,902.70 is: 32,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,232.20 : 126,348.30 = 21,902.70 : x
  2. Step 2: Convert to fraction form
    84,232.20/126,348.30 = 21,902.70/x
  3. Step 3: Cross multiply
    84,232.20x = 126,348.30 × 21,902.70
  4. Step 4: Simplify right side
    84,232.20x = 2,767,368,910.41
  5. Step 5: Solve for x
    x = 2,767,368,910.41/84,232.20
  6. Step 6: Final answer
    x = 32,854.05

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Double scale
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Similar ratio
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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.