Home / 198,744.64-274,269.59-108,102.72

Finding the Fourth Proportional to 198,744.64, 274,269.59 and 108,102.72

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Solution

The fourth proportional to 198,744.64, 274,269.59 and 108,102.72 is: 149,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,744.64 : 274,269.59 = 108,102.72 : x
  2. Step 2: Convert to fraction form
    198,744.64/274,269.59 = 108,102.72/x
  3. Step 3: Cross multiply
    198,744.64x = 274,269.59 × 108,102.72
  4. Step 4: Simplify right side
    198,744.64x = 29,649,288,692.28
  5. Step 5: Solve for x
    x = 29,649,288,692.28/198,744.64
  6. Step 6: Final answer
    x = 149,182.83

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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.