Home / 238,569.93-329,234.09-131,144.49

Finding the Fourth Proportional to 238,569.93, 329,234.09 and 131,144.49

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Solution

The fourth proportional to 238,569.93, 329,234.09 and 131,144.49 is: 180,983.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,569.93 : 329,234.09 = 131,144.49 : x
  2. Step 2: Convert to fraction form
    238,569.93/329,234.09 = 131,144.49/x
  3. Step 3: Cross multiply
    238,569.93x = 329,234.09 × 131,144.49
  4. Step 4: Simplify right side
    238,569.93x = 43,177,236,167.94
  5. Step 5: Solve for x
    x = 43,177,236,167.94/238,569.93
  6. Step 6: Final answer
    x = 180,983.56

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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.