Home / 149,520.20-224,026.42-90,231.30

Finding the Fourth Proportional to 149,520.20, 224,026.42 and 90,231.30

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Solution

The fourth proportional to 149,520.20, 224,026.42 and 90,231.30 is: 135,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,520.20 : 224,026.42 = 90,231.30 : x
  2. Step 2: Convert to fraction form
    149,520.20/224,026.42 = 90,231.30/x
  3. Step 3: Cross multiply
    149,520.20x = 224,026.42 × 90,231.30
  4. Step 4: Simplify right side
    149,520.20x = 20,214,195,110.95
  5. Step 5: Solve for x
    x = 20,214,195,110.95/149,520.20
  6. Step 6: Final answer
    x = 135,193.74

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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.