Home / 198,932.20-274,464.64-122,371

Finding the Fourth Proportional to 198,932.20, 274,464.64 and 122,371

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Solution

The fourth proportional to 198,932.20, 274,464.64 and 122,371 is: 168,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,932.20 : 274,464.64 = 122,371 : x
  2. Step 2: Convert to fraction form
    198,932.20/274,464.64 = 122,371/x
  3. Step 3: Cross multiply
    198,932.20x = 274,464.64 × 122,371
  4. Step 4: Simplify right side
    198,932.20x = 33,586,512,461.44
  5. Step 5: Solve for x
    x = 33,586,512,461.44/198,932.20
  6. Step 6: Final answer
    x = 168,833.97

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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.