Home / 149,711.20-224,454.48-90,534.76

Finding the Fourth Proportional to 149,711.20, 224,454.48 and 90,534.76

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Solution

The fourth proportional to 149,711.20, 224,454.48 and 90,534.76 is: 135,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,711.20 : 224,454.48 = 90,534.76 : x
  2. Step 2: Convert to fraction form
    149,711.20/224,454.48 = 90,534.76/x
  3. Step 3: Cross multiply
    149,711.20x = 224,454.48 × 90,534.76
  4. Step 4: Simplify right side
    149,711.20x = 20,320,932,477.72
  5. Step 5: Solve for x
    x = 20,320,932,477.72/149,711.20
  6. Step 6: Final answer
    x = 135,734.22

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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.