Home / 132,343.20-198,514.80-113,316.30

Finding the Fourth Proportional to 132,343.20, 198,514.80 and 113,316.30

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Solution

The fourth proportional to 132,343.20, 198,514.80 and 113,316.30 is: 169,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,343.20 : 198,514.80 = 113,316.30 : x
  2. Step 2: Convert to fraction form
    132,343.20/198,514.80 = 113,316.30/x
  3. Step 3: Cross multiply
    132,343.20x = 198,514.80 × 113,316.30
  4. Step 4: Simplify right side
    132,343.20x = 22,494,962,631.24
  5. Step 5: Solve for x
    x = 22,494,962,631.24/132,343.20
  6. Step 6: Final answer
    x = 169,974.45

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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.