Home / 179,029.76-268,544.64-85,251.20

Finding the Fourth Proportional to 179,029.76, 268,544.64 and 85,251.20

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Solution

The fourth proportional to 179,029.76, 268,544.64 and 85,251.20 is: 127,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,029.76 : 268,544.64 = 85,251.20 : x
  2. Step 2: Convert to fraction form
    179,029.76/268,544.64 = 85,251.20/x
  3. Step 3: Cross multiply
    179,029.76x = 268,544.64 × 85,251.20
  4. Step 4: Simplify right side
    179,029.76x = 22,893,752,813.57
  5. Step 5: Solve for x
    x = 22,893,752,813.57/179,029.76
  6. Step 6: Final answer
    x = 127,876.80

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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.