Home / 237,142.78-327,259.61-129,710.45

Finding the Fourth Proportional to 237,142.78, 327,259.61 and 129,710.45

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Solution

The fourth proportional to 237,142.78, 327,259.61 and 129,710.45 is: 179,001.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,142.78 : 327,259.61 = 129,710.45 : x
  2. Step 2: Convert to fraction form
    237,142.78/327,259.61 = 129,710.45/x
  3. Step 3: Cross multiply
    237,142.78x = 327,259.61 × 129,710.45
  4. Step 4: Simplify right side
    237,142.78x = 42,448,991,279.92
  5. Step 5: Solve for x
    x = 42,448,991,279.92/237,142.78
  6. Step 6: Final answer
    x = 179,001.83

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1.5x scale

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.