Home / 239,297.73-330,233.09-131,871.61

Finding the Fourth Proportional to 239,297.73, 330,233.09 and 131,871.61

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Solution

The fourth proportional to 239,297.73, 330,233.09 and 131,871.61 is: 181,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,297.73 : 330,233.09 = 131,871.61 : x
  2. Step 2: Convert to fraction form
    239,297.73/330,233.09 = 131,871.61/x
  3. Step 3: Cross multiply
    239,297.73x = 330,233.09 × 131,871.61
  4. Step 4: Simplify right side
    239,297.73x = 43,548,369,007.01
  5. Step 5: Solve for x
    x = 43,548,369,007.01/239,297.73
  6. Step 6: Final answer
    x = 181,984.05

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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.