Home / 123,452.57-170,358.93-77,535.92

Finding the Fourth Proportional to 123,452.57, 170,358.93 and 77,535.92

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Solution

The fourth proportional to 123,452.57, 170,358.93 and 77,535.92 is: 106,996.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,452.57 : 170,358.93 = 77,535.92 : x
  2. Step 2: Convert to fraction form
    123,452.57/170,358.93 = 77,535.92/x
  3. Step 3: Cross multiply
    123,452.57x = 170,358.93 × 77,535.92
  4. Step 4: Simplify right side
    123,452.57x = 13,208,936,793.66
  5. Step 5: Solve for x
    x = 13,208,936,793.66/123,452.57
  6. Step 6: Final answer
    x = 106,996.04

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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.