Home / 198,964.18-274,571.28-108,321.22

Finding the Fourth Proportional to 198,964.18, 274,571.28 and 108,321.22

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Solution

The fourth proportional to 198,964.18, 274,571.28 and 108,321.22 is: 149,483.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,964.18 : 274,571.28 = 108,321.22 : x
  2. Step 2: Convert to fraction form
    198,964.18/274,571.28 = 108,321.22/x
  3. Step 3: Cross multiply
    198,964.18x = 274,571.28 × 108,321.22
  4. Step 4: Simplify right side
    198,964.18x = 29,741,896,026.56
  5. Step 5: Solve for x
    x = 29,741,896,026.56/198,964.18
  6. Step 6: Final answer
    x = 149,483.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.