Home / 238,619.84-329,286.90-131,189.03

Finding the Fourth Proportional to 238,619.84, 329,286.90 and 131,189.03

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Solution

The fourth proportional to 238,619.84, 329,286.90 and 131,189.03 is: 181,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,619.84 : 329,286.90 = 131,189.03 : x
  2. Step 2: Convert to fraction form
    238,619.84/329,286.90 = 131,189.03/x
  3. Step 3: Cross multiply
    238,619.84x = 329,286.90 × 131,189.03
  4. Step 4: Simplify right side
    238,619.84x = 43,198,829,083.06
  5. Step 5: Solve for x
    x = 43,198,829,083.06/238,619.84
  6. Step 6: Final answer
    x = 181,036.20

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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.