Home / 198,556.63-274,007.82-107,912.32

Finding the Fourth Proportional to 198,556.63, 274,007.82 and 107,912.32

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Solution

The fourth proportional to 198,556.63, 274,007.82 and 107,912.32 is: 148,918.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,556.63 : 274,007.82 = 107,912.32 : x
  2. Step 2: Convert to fraction form
    198,556.63/274,007.82 = 107,912.32/x
  3. Step 3: Cross multiply
    198,556.63x = 274,007.82 × 107,912.32
  4. Step 4: Simplify right side
    198,556.63x = 29,568,819,554.34
  5. Step 5: Solve for x
    x = 29,568,819,554.34/198,556.63
  6. Step 6: Final answer
    x = 148,918.82

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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.