Home / 91,480.11-137,200.97-25,800.75

Finding the Fourth Proportional to 91,480.11, 137,200.97 and 25,800.75

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Solution

The fourth proportional to 91,480.11, 137,200.97 and 25,800.75 is: 38,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,480.11 : 137,200.97 = 25,800.75 : x
  2. Step 2: Convert to fraction form
    91,480.11/137,200.97 = 25,800.75/x
  3. Step 3: Cross multiply
    91,480.11x = 137,200.97 × 25,800.75
  4. Step 4: Simplify right side
    91,480.11x = 3,539,887,797.72
  5. Step 5: Solve for x
    x = 3,539,887,797.72/91,480.11
  6. Step 6: Final answer
    x = 38,695.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.