Home / 99,532.18-149,297.33-40,353.78

Finding the Fourth Proportional to 99,532.18, 149,297.33 and 40,353.78

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Solution

The fourth proportional to 99,532.18, 149,297.33 and 40,353.78 is: 60,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,532.18 : 149,297.33 = 40,353.78 : x
  2. Step 2: Convert to fraction form
    99,532.18/149,297.33 = 40,353.78/x
  3. Step 3: Cross multiply
    99,532.18x = 149,297.33 × 40,353.78
  4. Step 4: Simplify right side
    99,532.18x = 6,024,711,609.41
  5. Step 5: Solve for x
    x = 6,024,711,609.41/99,532.18
  6. Step 6: Final answer
    x = 60,530.29

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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.