Home / 132,287.04-198,388.24-43,519.55

Finding the Fourth Proportional to 132,287.04, 198,388.24 and 43,519.55

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Solution

The fourth proportional to 132,287.04, 198,388.24 and 43,519.55 is: 65,265.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,287.04 : 198,388.24 = 43,519.55 : x
  2. Step 2: Convert to fraction form
    132,287.04/198,388.24 = 43,519.55/x
  3. Step 3: Cross multiply
    132,287.04x = 198,388.24 × 43,519.55
  4. Step 4: Simplify right side
    132,287.04x = 8,633,765,829.35
  5. Step 5: Solve for x
    x = 8,633,765,829.35/132,287.04
  6. Step 6: Final answer
    x = 65,265.39

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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.