Home / 151,540.20-227,310.30-122,015.70

Finding the Fourth Proportional to 151,540.20, 227,310.30 and 122,015.70

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Solution

The fourth proportional to 151,540.20, 227,310.30 and 122,015.70 is: 183,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,540.20 : 227,310.30 = 122,015.70 : x
  2. Step 2: Convert to fraction form
    151,540.20/227,310.30 = 122,015.70/x
  3. Step 3: Cross multiply
    151,540.20x = 227,310.30 × 122,015.70
  4. Step 4: Simplify right side
    151,540.20x = 27,735,425,371.71
  5. Step 5: Solve for x
    x = 27,735,425,371.71/151,540.20
  6. Step 6: Final answer
    x = 183,023.55

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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.