Home / 115,500.14-159,391.38-67,754.30

Finding the Fourth Proportional to 115,500.14, 159,391.38 and 67,754.30

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Solution

The fourth proportional to 115,500.14, 159,391.38 and 67,754.30 is: 93,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,500.14 : 159,391.38 = 67,754.30 : x
  2. Step 2: Convert to fraction form
    115,500.14/159,391.38 = 67,754.30/x
  3. Step 3: Cross multiply
    115,500.14x = 159,391.38 × 67,754.30
  4. Step 4: Simplify right side
    115,500.14x = 10,799,451,377.93
  5. Step 5: Solve for x
    x = 10,799,451,377.93/115,500.14
  6. Step 6: Final answer
    x = 93,501.63

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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.