Home / 199,949.10-275,930.31-109,306.14

Finding the Fourth Proportional to 199,949.10, 275,930.31 and 109,306.14

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Solution

The fourth proportional to 199,949.10, 275,930.31 and 109,306.14 is: 150,842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,949.10 : 275,930.31 = 109,306.14 : x
  2. Step 2: Convert to fraction form
    199,949.10/275,930.31 = 109,306.14/x
  3. Step 3: Cross multiply
    199,949.10x = 275,930.31 × 109,306.14
  4. Step 4: Simplify right side
    199,949.10x = 30,160,877,095.10
  5. Step 5: Solve for x
    x = 30,160,877,095.10/199,949.10
  6. Step 6: Final answer
    x = 150,842.77

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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.