Home / 239,298.73-330,234.47-131,872.61

Finding the Fourth Proportional to 239,298.73, 330,234.47 and 131,872.61

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Solution

The fourth proportional to 239,298.73, 330,234.47 and 131,872.61 is: 181,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,298.73 : 330,234.47 = 131,872.61 : x
  2. Step 2: Convert to fraction form
    239,298.73/330,234.47 = 131,872.61/x
  3. Step 3: Cross multiply
    239,298.73x = 330,234.47 × 131,872.61
  4. Step 4: Simplify right side
    239,298.73x = 43,548,881,470.87
  5. Step 5: Solve for x
    x = 43,548,881,470.87/239,298.73
  6. Step 6: Final answer
    x = 181,985.43

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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.