Home / 120,652.38-166,508.17-69,667.27

Finding the Fourth Proportional to 120,652.38, 166,508.17 and 69,667.27

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Solution

The fourth proportional to 120,652.38, 166,508.17 and 69,667.27 is: 96,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,652.38 : 166,508.17 = 69,667.27 : x
  2. Step 2: Convert to fraction form
    120,652.38/166,508.17 = 69,667.27/x
  3. Step 3: Cross multiply
    120,652.38x = 166,508.17 × 69,667.27
  4. Step 4: Simplify right side
    120,652.38x = 11,600,169,046.16
  5. Step 5: Solve for x
    x = 11,600,169,046.16/120,652.38
  6. Step 6: Final answer
    x = 96,145.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.