Home / 198,829.83-274,381.65-108,182.73

Finding the Fourth Proportional to 198,829.83, 274,381.65 and 108,182.73

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Solution

The fourth proportional to 198,829.83, 274,381.65 and 108,182.73 is: 149,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,829.83 : 274,381.65 = 108,182.73 : x
  2. Step 2: Convert to fraction form
    198,829.83/274,381.65 = 108,182.73/x
  3. Step 3: Cross multiply
    198,829.83x = 274,381.65 × 108,182.73
  4. Step 4: Simplify right side
    198,829.83x = 29,683,355,958.90
  5. Step 5: Solve for x
    x = 29,683,355,958.90/198,829.83
  6. Step 6: Final answer
    x = 149,290.25

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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.