Home / 115,247.26-159,005.92-66,839.38

Finding the Fourth Proportional to 115,247.26, 159,005.92 and 66,839.38

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Solution

The fourth proportional to 115,247.26, 159,005.92 and 66,839.38 is: 92,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,247.26 : 159,005.92 = 66,839.38 : x
  2. Step 2: Convert to fraction form
    115,247.26/159,005.92 = 66,839.38/x
  3. Step 3: Cross multiply
    115,247.26x = 159,005.92 × 66,839.38
  4. Step 4: Simplify right side
    115,247.26x = 10,627,857,109.13
  5. Step 5: Solve for x
    x = 10,627,857,109.13/115,247.26
  6. Step 6: Final answer
    x = 92,217.87

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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.