Home / 198,898.35-274,475.89-108,256.32

Finding the Fourth Proportional to 198,898.35, 274,475.89 and 108,256.32

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Solution

The fourth proportional to 198,898.35, 274,475.89 and 108,256.32 is: 149,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,898.35 : 274,475.89 = 108,256.32 : x
  2. Step 2: Convert to fraction form
    198,898.35/274,475.89 = 108,256.32/x
  3. Step 3: Cross multiply
    198,898.35x = 274,475.89 × 108,256.32
  4. Step 4: Simplify right side
    198,898.35x = 29,713,749,780.12
  5. Step 5: Solve for x
    x = 29,713,749,780.12/198,898.35
  6. Step 6: Final answer
    x = 149,391.64

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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.