Home / 165,141.38-247,633.94-63,986.78

Finding the Fourth Proportional to 165,141.38, 247,633.94 and 63,986.78

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Solution

The fourth proportional to 165,141.38, 247,633.94 and 63,986.78 is: 95,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,141.38 : 247,633.94 = 63,986.78 : x
  2. Step 2: Convert to fraction form
    165,141.38/247,633.94 = 63,986.78/x
  3. Step 3: Cross multiply
    165,141.38x = 247,633.94 × 63,986.78
  4. Step 4: Simplify right side
    165,141.38x = 15,845,298,439.31
  5. Step 5: Solve for x
    x = 15,845,298,439.31/165,141.38
  6. Step 6: Final answer
    x = 95,949.90

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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.