Home / 198,995.04-274,604.16-108,348.72

Finding the Fourth Proportional to 198,995.04, 274,604.16 and 108,348.72

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Solution

The fourth proportional to 198,995.04, 274,604.16 and 108,348.72 is: 149,516.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,995.04 : 274,604.16 = 108,348.72 : x
  2. Step 2: Convert to fraction form
    198,995.04/274,604.16 = 108,348.72/x
  3. Step 3: Cross multiply
    198,995.04x = 274,604.16 × 108,348.72
  4. Step 4: Simplify right side
    198,995.04x = 29,753,009,242.68
  5. Step 5: Solve for x
    x = 29,753,009,242.68/198,995.04
  6. Step 6: Final answer
    x = 149,516.34

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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.