Home / 99,331.85-149,091.42-36,212.98

Finding the Fourth Proportional to 99,331.85, 149,091.42 and 36,212.98

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Solution

The fourth proportional to 99,331.85, 149,091.42 and 36,212.98 is: 54,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,331.85 : 149,091.42 = 36,212.98 : x
  2. Step 2: Convert to fraction form
    99,331.85/149,091.42 = 36,212.98/x
  3. Step 3: Cross multiply
    99,331.85x = 149,091.42 × 36,212.98
  4. Step 4: Simplify right side
    99,331.85x = 5,399,044,449.55
  5. Step 5: Solve for x
    x = 5,399,044,449.55/99,331.85
  6. Step 6: Final answer
    x = 54,353.61

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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.