Home / 238,949.75-329,750.76-131,519.02

Finding the Fourth Proportional to 238,949.75, 329,750.76 and 131,519.02

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Solution

The fourth proportional to 238,949.75, 329,750.76 and 131,519.02 is: 181,496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,949.75 : 329,750.76 = 131,519.02 : x
  2. Step 2: Convert to fraction form
    238,949.75/329,750.76 = 131,519.02/x
  3. Step 3: Cross multiply
    238,949.75x = 329,750.76 × 131,519.02
  4. Step 4: Simplify right side
    238,949.75x = 43,368,496,799.46
  5. Step 5: Solve for x
    x = 43,368,496,799.46/238,949.75
  6. Step 6: Final answer
    x = 181,496.31

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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.