Home / 248,129.43-372,231.05-115,023.15

Finding the Fourth Proportional to 248,129.43, 372,231.05 and 115,023.15

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Solution

The fourth proportional to 248,129.43, 372,231.05 and 115,023.15 is: 172,551.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,129.43 : 372,231.05 = 115,023.15 : x
  2. Step 2: Convert to fraction form
    248,129.43/372,231.05 = 115,023.15/x
  3. Step 3: Cross multiply
    248,129.43x = 372,231.05 × 115,023.15
  4. Step 4: Simplify right side
    248,129.43x = 42,815,187,323.69
  5. Step 5: Solve for x
    x = 42,815,187,323.69/248,129.43
  6. Step 6: Final answer
    x = 172,551.83

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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.