Home / 198,556.54-274,010.12-107,912.50

Finding the Fourth Proportional to 198,556.54, 274,010.12 and 107,912.50

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Solution

The fourth proportional to 198,556.54, 274,010.12 and 107,912.50 is: 148,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,556.54 : 274,010.12 = 107,912.50 : x
  2. Step 2: Convert to fraction form
    198,556.54/274,010.12 = 107,912.50/x
  3. Step 3: Cross multiply
    198,556.54x = 274,010.12 × 107,912.50
  4. Step 4: Simplify right side
    198,556.54x = 29,569,117,074.50
  5. Step 5: Solve for x
    x = 29,569,117,074.50/198,556.54
  6. Step 6: Final answer
    x = 148,920.39

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1.5x scale

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.