Home / 237,109.68-327,218.40-129,677.76

Finding the Fourth Proportional to 237,109.68, 327,218.40 and 129,677.76

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Solution

The fourth proportional to 237,109.68, 327,218.40 and 129,677.76 is: 178,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,109.68 : 327,218.40 = 129,677.76 : x
  2. Step 2: Convert to fraction form
    237,109.68/327,218.40 = 129,677.76/x
  3. Step 3: Cross multiply
    237,109.68x = 327,218.40 × 129,677.76
  4. Step 4: Simplify right side
    237,109.68x = 42,432,949,142.78
  5. Step 5: Solve for x
    x = 42,432,949,142.78/237,109.68
  6. Step 6: Final answer
    x = 178,959.16

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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.