Home / 199,765.60-275,665.98-109,120.25

Finding the Fourth Proportional to 199,765.60, 275,665.98 and 109,120.25

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Solution

The fourth proportional to 199,765.60, 275,665.98 and 109,120.25 is: 150,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,765.60 : 275,665.98 = 109,120.25 : x
  2. Step 2: Convert to fraction form
    199,765.60/275,665.98 = 109,120.25/x
  3. Step 3: Cross multiply
    199,765.60x = 275,665.98 × 109,120.25
  4. Step 4: Simplify right side
    199,765.60x = 30,080,740,654.10
  5. Step 5: Solve for x
    x = 30,080,740,654.10/199,765.60
  6. Step 6: Final answer
    x = 150,580.18

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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.