Home / 179,836.39-269,408.38-112,394.78

Finding the Fourth Proportional to 179,836.39, 269,408.38 and 112,394.78

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Solution

The fourth proportional to 179,836.39, 269,408.38 and 112,394.78 is: 168,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,836.39 : 269,408.38 = 112,394.78 : x
  2. Step 2: Convert to fraction form
    179,836.39/269,408.38 = 112,394.78/x
  3. Step 3: Cross multiply
    179,836.39x = 269,408.38 × 112,394.78
  4. Step 4: Simplify right side
    179,836.39x = 30,280,095,600.26
  5. Step 5: Solve for x
    x = 30,280,095,600.26/179,836.39
  6. Step 6: Final answer
    x = 168,375.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.