Home / 110,605.32-165,961.38-54,414.96

Finding the Fourth Proportional to 110,605.32, 165,961.38 and 54,414.96

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Solution

The fourth proportional to 110,605.32, 165,961.38 and 54,414.96 is: 81,648.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,605.32 : 165,961.38 = 54,414.96 : x
  2. Step 2: Convert to fraction form
    110,605.32/165,961.38 = 54,414.96/x
  3. Step 3: Cross multiply
    110,605.32x = 165,961.38 × 54,414.96
  4. Step 4: Simplify right side
    110,605.32x = 9,030,781,854.24
  5. Step 5: Solve for x
    x = 9,030,781,854.24/110,605.32
  6. Step 6: Final answer
    x = 81,648.71

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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.