Home / 185,971.44-278,949.84-79,311.44

Finding the Fourth Proportional to 185,971.44, 278,949.84 and 79,311.44

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Solution

The fourth proportional to 185,971.44, 278,949.84 and 79,311.44 is: 118,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,971.44 : 278,949.84 = 79,311.44 : x
  2. Step 2: Convert to fraction form
    185,971.44/278,949.84 = 79,311.44/x
  3. Step 3: Cross multiply
    185,971.44x = 278,949.84 × 79,311.44
  4. Step 4: Simplify right side
    185,971.44x = 22,123,913,498.17
  5. Step 5: Solve for x
    x = 22,123,913,498.17/185,971.44
  6. Step 6: Final answer
    x = 118,964.04

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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.