Home / 238,938.05-329,721.94-131,487.30

Finding the Fourth Proportional to 238,938.05, 329,721.94 and 131,487.30

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Solution

The fourth proportional to 238,938.05, 329,721.94 and 131,487.30 is: 181,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,938.05 : 329,721.94 = 131,487.30 : x
  2. Step 2: Convert to fraction form
    238,938.05/329,721.94 = 131,487.30/x
  3. Step 3: Cross multiply
    238,938.05x = 329,721.94 × 131,487.30
  4. Step 4: Simplify right side
    238,938.05x = 43,354,247,805.72
  5. Step 5: Solve for x
    x = 43,354,247,805.72/238,938.05
  6. Step 6: Final answer
    x = 181,445.56

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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.