Home / 179,451.90-269,185.05-67,120.62

Finding the Fourth Proportional to 179,451.90, 269,185.05 and 67,120.62

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Solution

The fourth proportional to 179,451.90, 269,185.05 and 67,120.62 is: 100,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,451.90 : 269,185.05 = 67,120.62 : x
  2. Step 2: Convert to fraction form
    179,451.90/269,185.05 = 67,120.62/x
  3. Step 3: Cross multiply
    179,451.90x = 269,185.05 × 67,120.62
  4. Step 4: Simplify right side
    179,451.90x = 18,067,867,450.73
  5. Step 5: Solve for x
    x = 18,067,867,450.73/179,451.90
  6. Step 6: Final answer
    x = 100,683.62

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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.