Home / 207,099.20-310,451.90-132,008.55

Finding the Fourth Proportional to 207,099.20, 310,451.90 and 132,008.55

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Solution

The fourth proportional to 207,099.20, 310,451.90 and 132,008.55 is: 197,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,099.20 : 310,451.90 = 132,008.55 : x
  2. Step 2: Convert to fraction form
    207,099.20/310,451.90 = 132,008.55/x
  3. Step 3: Cross multiply
    207,099.20x = 310,451.90 × 132,008.55
  4. Step 4: Simplify right side
    207,099.20x = 40,982,304,503.70
  5. Step 5: Solve for x
    x = 40,982,304,503.70/207,099.20
  6. Step 6: Final answer
    x = 197,887.32

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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.