Home / 239,249.73-330,165.27-131,819.43

Finding the Fourth Proportional to 239,249.73, 330,165.27 and 131,819.43

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Solution

The fourth proportional to 239,249.73, 330,165.27 and 131,819.43 is: 181,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,249.73 : 330,165.27 = 131,819.43 : x
  2. Step 2: Convert to fraction form
    239,249.73/330,165.27 = 131,819.43/x
  3. Step 3: Cross multiply
    239,249.73x = 330,165.27 × 131,819.43
  4. Step 4: Simplify right side
    239,249.73x = 43,522,197,697.20
  5. Step 5: Solve for x
    x = 43,522,197,697.20/239,249.73
  6. Step 6: Final answer
    x = 181,911.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.