Home / 132,422.10-198,305.10-84,964.20

Finding the Fourth Proportional to 132,422.10, 198,305.10 and 84,964.20

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Solution

The fourth proportional to 132,422.10, 198,305.10 and 84,964.20 is: 127,235.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,422.10 : 198,305.10 = 84,964.20 : x
  2. Step 2: Convert to fraction form
    132,422.10/198,305.10 = 84,964.20/x
  3. Step 3: Cross multiply
    132,422.10x = 198,305.10 × 84,964.20
  4. Step 4: Simplify right side
    132,422.10x = 16,848,834,177.42
  5. Step 5: Solve for x
    x = 16,848,834,177.42/132,422.10
  6. Step 6: Final answer
    x = 127,235.82

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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.