Home / 132,343.20-198,592.92-52,389

Finding the Fourth Proportional to 132,343.20, 198,592.92 and 52,389

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Solution

The fourth proportional to 132,343.20, 198,592.92 and 52,389 is: 78,614.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,343.20 : 198,592.92 = 52,389 : x
  2. Step 2: Convert to fraction form
    132,343.20/198,592.92 = 52,389/x
  3. Step 3: Cross multiply
    132,343.20x = 198,592.92 × 52,389
  4. Step 4: Simplify right side
    132,343.20x = 10,404,084,485.88
  5. Step 5: Solve for x
    x = 10,404,084,485.88/132,343.20
  6. Step 6: Final answer
    x = 78,614.42

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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.