Home / 90,165.92-124,433.51-54,367.47

Finding the Fourth Proportional to 90,165.92, 124,433.51 and 54,367.47

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Solution

The fourth proportional to 90,165.92, 124,433.51 and 54,367.47 is: 75,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,165.92 : 124,433.51 = 54,367.47 : x
  2. Step 2: Convert to fraction form
    90,165.92/124,433.51 = 54,367.47/x
  3. Step 3: Cross multiply
    90,165.92x = 124,433.51 × 54,367.47
  4. Step 4: Simplify right side
    90,165.92x = 6,765,134,850.08
  5. Step 5: Solve for x
    x = 6,765,134,850.08/90,165.92
  6. Step 6: Final answer
    x = 75,029.85

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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.