Home / 239,339.20-330,274.62-131,908.90

Finding the Fourth Proportional to 239,339.20, 330,274.62 and 131,908.90

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Solution

The fourth proportional to 239,339.20, 330,274.62 and 131,908.90 is: 182,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,339.20 : 330,274.62 = 131,908.90 : x
  2. Step 2: Convert to fraction form
    239,339.20/330,274.62 = 131,908.90/x
  3. Step 3: Cross multiply
    239,339.20x = 330,274.62 × 131,908.90
  4. Step 4: Simplify right side
    239,339.20x = 43,566,161,822.12
  5. Step 5: Solve for x
    x = 43,566,161,822.12/239,339.20
  6. Step 6: Final answer
    x = 182,026.85

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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.