Home / 198,832.45-274,388.52-108,188.23

Finding the Fourth Proportional to 198,832.45, 274,388.52 and 108,188.23

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Solution

The fourth proportional to 198,832.45, 274,388.52 and 108,188.23 is: 149,299.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,832.45 : 274,388.52 = 108,188.23 : x
  2. Step 2: Convert to fraction form
    198,832.45/274,388.52 = 108,188.23/x
  3. Step 3: Cross multiply
    198,832.45x = 274,388.52 × 108,188.23
  4. Step 4: Simplify right side
    198,832.45x = 29,685,608,311.12
  5. Step 5: Solve for x
    x = 29,685,608,311.12/198,832.45
  6. Step 6: Final answer
    x = 149,299.62

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1.5x scale

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.