Home / 198,730.16-274,249.50-108,086.84

Finding the Fourth Proportional to 198,730.16, 274,249.50 and 108,086.84

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Solution

The fourth proportional to 198,730.16, 274,249.50 and 108,086.84 is: 149,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,730.16 : 274,249.50 = 108,086.84 : x
  2. Step 2: Convert to fraction form
    198,730.16/274,249.50 = 108,086.84/x
  3. Step 3: Cross multiply
    198,730.16x = 274,249.50 × 108,086.84
  4. Step 4: Simplify right side
    198,730.16x = 29,642,761,826.58
  5. Step 5: Solve for x
    x = 29,642,761,826.58/198,730.16
  6. Step 6: Final answer
    x = 149,160.86

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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.