Home / 198,372.69-273,779.33-122,932.53

Finding the Fourth Proportional to 198,372.69, 273,779.33 and 122,932.53

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Solution

The fourth proportional to 198,372.69, 273,779.33 and 122,932.53 is: 169,662.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,372.69 : 273,779.33 = 122,932.53 : x
  2. Step 2: Convert to fraction form
    198,372.69/273,779.33 = 122,932.53/x
  3. Step 3: Cross multiply
    198,372.69x = 273,779.33 × 122,932.53
  4. Step 4: Simplify right side
    198,372.69x = 33,656,385,083.94
  5. Step 5: Solve for x
    x = 33,656,385,083.94/198,372.69
  6. Step 6: Final answer
    x = 169,662.39

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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.