Home / 132,906.80-199,091.40-82,833.20

Finding the Fourth Proportional to 132,906.80, 199,091.40 and 82,833.20

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Solution

The fourth proportional to 132,906.80, 199,091.40 and 82,833.20 is: 124,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,906.80 : 199,091.40 = 82,833.20 : x
  2. Step 2: Convert to fraction form
    132,906.80/199,091.40 = 82,833.20/x
  3. Step 3: Cross multiply
    132,906.80x = 199,091.40 × 82,833.20
  4. Step 4: Simplify right side
    132,906.80x = 16,491,377,754.48
  5. Step 5: Solve for x
    x = 16,491,377,754.48/132,906.80
  6. Step 6: Final answer
    x = 124,082.27

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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.