Home / 133,221.40-199,832.10-132,443.80

Finding the Fourth Proportional to 133,221.40, 199,832.10 and 132,443.80

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Solution

The fourth proportional to 133,221.40, 199,832.10 and 132,443.80 is: 198,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,221.40 : 199,832.10 = 132,443.80 : x
  2. Step 2: Convert to fraction form
    133,221.40/199,832.10 = 132,443.80/x
  3. Step 3: Cross multiply
    133,221.40x = 199,832.10 × 132,443.80
  4. Step 4: Simplify right side
    133,221.40x = 26,466,522,685.98
  5. Step 5: Solve for x
    x = 26,466,522,685.98/133,221.40
  6. Step 6: Final answer
    x = 198,665.70

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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.