Home / 90,150.29-124,399.02-49,863.18

Finding the Fourth Proportional to 90,150.29, 124,399.02 and 49,863.18

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Solution

The fourth proportional to 90,150.29, 124,399.02 and 49,863.18 is: 68,806.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,150.29 : 124,399.02 = 49,863.18 : x
  2. Step 2: Convert to fraction form
    90,150.29/124,399.02 = 49,863.18/x
  3. Step 3: Cross multiply
    90,150.29x = 124,399.02 × 49,863.18
  4. Step 4: Simplify right side
    90,150.29x = 6,202,930,726.08
  5. Step 5: Solve for x
    x = 6,202,930,726.08/90,150.29
  6. Step 6: Final answer
    x = 68,806.56

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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.