Home / 238,628.89-329,304.03-131,196.61

Finding the Fourth Proportional to 238,628.89, 329,304.03 and 131,196.61

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Solution

The fourth proportional to 238,628.89, 329,304.03 and 131,196.61 is: 181,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,628.89 : 329,304.03 = 131,196.61 : x
  2. Step 2: Convert to fraction form
    238,628.89/329,304.03 = 131,196.61/x
  3. Step 3: Cross multiply
    238,628.89x = 329,304.03 × 131,196.61
  4. Step 4: Simplify right side
    238,628.89x = 43,203,573,052.96
  5. Step 5: Solve for x
    x = 43,203,573,052.96/238,628.89
  6. Step 6: Final answer
    x = 181,049.22

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1.5x scale

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.