Home / 132,515.20-198,792.48-43,778.08

Finding the Fourth Proportional to 132,515.20, 198,792.48 and 43,778.08

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Solution

The fourth proportional to 132,515.20, 198,792.48 and 43,778.08 is: 65,673.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,515.20 : 198,792.48 = 43,778.08 : x
  2. Step 2: Convert to fraction form
    132,515.20/198,792.48 = 43,778.08/x
  3. Step 3: Cross multiply
    132,515.20x = 198,792.48 × 43,778.08
  4. Step 4: Simplify right side
    132,515.20x = 8,702,753,092.84
  5. Step 5: Solve for x
    x = 8,702,753,092.84/132,515.20
  6. Step 6: Final answer
    x = 65,673.62

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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.