Home / 202,494.20-279,418.02-111,844.75

Finding the Fourth Proportional to 202,494.20, 279,418.02 and 111,844.75

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Solution

The fourth proportional to 202,494.20, 279,418.02 and 111,844.75 is: 154,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,494.20 : 279,418.02 = 111,844.75 : x
  2. Step 2: Convert to fraction form
    202,494.20/279,418.02 = 111,844.75/x
  3. Step 3: Cross multiply
    202,494.20x = 279,418.02 × 111,844.75
  4. Step 4: Simplify right side
    202,494.20x = 31,251,438,627.47
  5. Step 5: Solve for x
    x = 31,251,438,627.47/202,494.20
  6. Step 6: Final answer
    x = 154,332.52

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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.