Home / 198,956.22-274,550.64-108,309.86

Finding the Fourth Proportional to 198,956.22, 274,550.64 and 108,309.86

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Solution

The fourth proportional to 198,956.22, 274,550.64 and 108,309.86 is: 149,462.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,956.22 : 274,550.64 = 108,309.86 : x
  2. Step 2: Convert to fraction form
    198,956.22/274,550.64 = 108,309.86/x
  3. Step 3: Cross multiply
    198,956.22x = 274,550.64 × 108,309.86
  4. Step 4: Simplify right side
    198,956.22x = 29,736,541,381.31
  5. Step 5: Solve for x
    x = 29,736,541,381.31/198,956.22
  6. Step 6: Final answer
    x = 149,462.74

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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.