Home / 132,432.10-198,320.10-84,974.20

Finding the Fourth Proportional to 132,432.10, 198,320.10 and 84,974.20

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Solution

The fourth proportional to 132,432.10, 198,320.10 and 84,974.20 is: 127,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,432.10 : 198,320.10 = 84,974.20 : x
  2. Step 2: Convert to fraction form
    132,432.10/198,320.10 = 84,974.20/x
  3. Step 3: Cross multiply
    132,432.10x = 198,320.10 × 84,974.20
  4. Step 4: Simplify right side
    132,432.10x = 16,852,091,841.42
  5. Step 5: Solve for x
    x = 16,852,091,841.42/132,432.10
  6. Step 6: Final answer
    x = 127,250.81

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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.