Home / 199,966.98-275,961.18-109,321.14

Finding the Fourth Proportional to 199,966.98, 275,961.18 and 109,321.14

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Solution

The fourth proportional to 199,966.98, 275,961.18 and 109,321.14 is: 150,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,966.98 : 275,961.18 = 109,321.14 : x
  2. Step 2: Convert to fraction form
    199,966.98/275,961.18 = 109,321.14/x
  3. Step 3: Cross multiply
    199,966.98x = 275,961.18 × 109,321.14
  4. Step 4: Simplify right side
    199,966.98x = 30,168,390,793.35
  5. Step 5: Solve for x
    x = 30,168,390,793.35/199,966.98
  6. Step 6: Final answer
    x = 150,866.86

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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.