Home / 129,351.60-194,027.40-113,281.20

Finding the Fourth Proportional to 129,351.60, 194,027.40 and 113,281.20

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Solution

The fourth proportional to 129,351.60, 194,027.40 and 113,281.20 is: 169,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,351.60 : 194,027.40 = 113,281.20 : x
  2. Step 2: Convert to fraction form
    129,351.60/194,027.40 = 113,281.20/x
  3. Step 3: Cross multiply
    129,351.60x = 194,027.40 × 113,281.20
  4. Step 4: Simplify right side
    129,351.60x = 21,979,656,704.88
  5. Step 5: Solve for x
    x = 21,979,656,704.88/129,351.60
  6. Step 6: Final answer
    x = 169,921.80

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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.