Home / 253,921.68-350,424-140,744.52

Finding the Fourth Proportional to 253,921.68, 350,424 and 140,744.52

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Solution

The fourth proportional to 253,921.68, 350,424 and 140,744.52 is: 194,234.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,921.68 : 350,424 = 140,744.52 : x
  2. Step 2: Convert to fraction form
    253,921.68/350,424 = 140,744.52/x
  3. Step 3: Cross multiply
    253,921.68x = 350,424 × 140,744.52
  4. Step 4: Simplify right side
    253,921.68x = 49,320,257,676.48
  5. Step 5: Solve for x
    x = 49,320,257,676.48/253,921.68
  6. Step 6: Final answer
    x = 194,234.13

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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.