Home / 198,828.22-274,390.50-113,961.66

Finding the Fourth Proportional to 198,828.22, 274,390.50 and 113,961.66

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Solution

The fourth proportional to 198,828.22, 274,390.50 and 113,961.66 is: 157,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,828.22 : 274,390.50 = 113,961.66 : x
  2. Step 2: Convert to fraction form
    198,828.22/274,390.50 = 113,961.66/x
  3. Step 3: Cross multiply
    198,828.22x = 274,390.50 × 113,961.66
  4. Step 4: Simplify right side
    198,828.22x = 31,269,996,868.23
  5. Step 5: Solve for x
    x = 31,269,996,868.23/198,828.22
  6. Step 6: Final answer
    x = 157,271.42

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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.