Home / 238,952.05-329,751.21-131,519.78

Finding the Fourth Proportional to 238,952.05, 329,751.21 and 131,519.78

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Solution

The fourth proportional to 238,952.05, 329,751.21 and 131,519.78 is: 181,495.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,952.05 : 329,751.21 = 131,519.78 : x
  2. Step 2: Convert to fraction form
    238,952.05/329,751.21 = 131,519.78/x
  3. Step 3: Cross multiply
    238,952.05x = 329,751.21 × 131,519.78
  4. Step 4: Simplify right side
    238,952.05x = 43,368,806,674.94
  5. Step 5: Solve for x
    x = 43,368,806,674.94/238,952.05
  6. Step 6: Final answer
    x = 181,495.86

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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.