Home / 146,954.30-220,493.85-80,316.57

Finding the Fourth Proportional to 146,954.30, 220,493.85 and 80,316.57

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Solution

The fourth proportional to 146,954.30, 220,493.85 and 80,316.57 is: 120,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,954.30 : 220,493.85 = 80,316.57 : x
  2. Step 2: Convert to fraction form
    146,954.30/220,493.85 = 80,316.57/x
  3. Step 3: Cross multiply
    146,954.30x = 220,493.85 × 80,316.57
  4. Step 4: Simplify right side
    146,954.30x = 17,709,309,738.09
  5. Step 5: Solve for x
    x = 17,709,309,738.09/146,954.30
  6. Step 6: Final answer
    x = 120,508.96

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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.