Home / 135,252.82-202,805.78-40,469.86

Finding the Fourth Proportional to 135,252.82, 202,805.78 and 40,469.86

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Solution

The fourth proportional to 135,252.82, 202,805.78 and 40,469.86 is: 60,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,252.82 : 202,805.78 = 40,469.86 : x
  2. Step 2: Convert to fraction form
    135,252.82/202,805.78 = 40,469.86/x
  3. Step 3: Cross multiply
    135,252.82x = 202,805.78 × 40,469.86
  4. Step 4: Simplify right side
    135,252.82x = 8,207,521,523.79
  5. Step 5: Solve for x
    x = 8,207,521,523.79/135,252.82
  6. Step 6: Final answer
    x = 60,682.81

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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.