Home / 149,847.20-224,770.80-71,115.20

Finding the Fourth Proportional to 149,847.20, 224,770.80 and 71,115.20

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Solution

The fourth proportional to 149,847.20, 224,770.80 and 71,115.20 is: 106,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,847.20 : 224,770.80 = 71,115.20 : x
  2. Step 2: Convert to fraction form
    149,847.20/224,770.80 = 71,115.20/x
  3. Step 3: Cross multiply
    149,847.20x = 224,770.80 × 71,115.20
  4. Step 4: Simplify right side
    149,847.20x = 15,984,620,396.16
  5. Step 5: Solve for x
    x = 15,984,620,396.16/149,847.20
  6. Step 6: Final answer
    x = 106,672.80

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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.