Home / 198,554.53-274,007.37-107,910.50

Finding the Fourth Proportional to 198,554.53, 274,007.37 and 107,910.50

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Solution

The fourth proportional to 198,554.53, 274,007.37 and 107,910.50 is: 148,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,554.53 : 274,007.37 = 107,910.50 : x
  2. Step 2: Convert to fraction form
    198,554.53/274,007.37 = 107,910.50/x
  3. Step 3: Cross multiply
    198,554.53x = 274,007.37 × 107,910.50
  4. Step 4: Simplify right side
    198,554.53x = 29,568,271,760.83
  5. Step 5: Solve for x
    x = 29,568,271,760.83/198,554.53
  6. Step 6: Final answer
    x = 148,917.64

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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.