Home / 115,439.24-159,332.69-67,707.97

Finding the Fourth Proportional to 115,439.24, 159,332.69 and 67,707.97

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Solution

The fourth proportional to 115,439.24, 159,332.69 and 67,707.97 is: 93,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,439.24 : 159,332.69 = 67,707.97 : x
  2. Step 2: Convert to fraction form
    115,439.24/159,332.69 = 67,707.97/x
  3. Step 3: Cross multiply
    115,439.24x = 159,332.69 × 67,707.97
  4. Step 4: Simplify right side
    115,439.24x = 10,788,092,765.48
  5. Step 5: Solve for x
    x = 10,788,092,765.48/115,439.24
  6. Step 6: Final answer
    x = 93,452.56

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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.