Home / 237,402.82-327,615.96-129,979.78

Finding the Fourth Proportional to 237,402.82, 327,615.96 and 129,979.78

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Solution

The fourth proportional to 237,402.82, 327,615.96 and 129,979.78 is: 179,372.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,402.82 : 327,615.96 = 129,979.78 : x
  2. Step 2: Convert to fraction form
    237,402.82/327,615.96 = 129,979.78/x
  3. Step 3: Cross multiply
    237,402.82x = 327,615.96 × 129,979.78
  4. Step 4: Simplify right side
    237,402.82x = 42,583,450,405.29
  5. Step 5: Solve for x
    x = 42,583,450,405.29/237,402.82
  6. Step 6: Final answer
    x = 179,372.13

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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.