Home / 150,819.21-225,800.40-115,238.97

Finding the Fourth Proportional to 150,819.21, 225,800.40 and 115,238.97

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Solution

The fourth proportional to 150,819.21, 225,800.40 and 115,238.97 is: 172,531.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,819.21 : 225,800.40 = 115,238.97 : x
  2. Step 2: Convert to fraction form
    150,819.21/225,800.40 = 115,238.97/x
  3. Step 3: Cross multiply
    150,819.21x = 225,800.40 × 115,238.97
  4. Step 4: Simplify right side
    150,819.21x = 26,021,005,521.59
  5. Step 5: Solve for x
    x = 26,021,005,521.59/150,819.21
  6. Step 6: Final answer
    x = 172,531.11

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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.