Home / 239,380.18-330,359.41-131,949.94

Finding the Fourth Proportional to 239,380.18, 330,359.41 and 131,949.94

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Solution

The fourth proportional to 239,380.18, 330,359.41 and 131,949.94 is: 182,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,380.18 : 330,359.41 = 131,949.94 : x
  2. Step 2: Convert to fraction form
    239,380.18/330,359.41 = 131,949.94/x
  3. Step 3: Cross multiply
    239,380.18x = 330,359.41 × 131,949.94
  4. Step 4: Simplify right side
    239,380.18x = 43,590,904,327.94
  5. Step 5: Solve for x
    x = 43,590,904,327.94/239,380.18
  6. Step 6: Final answer
    x = 182,099.05

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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.