Home / 199,659.05-275,540.66-109,023.45

Finding the Fourth Proportional to 199,659.05, 275,540.66 and 109,023.45

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Solution

The fourth proportional to 199,659.05, 275,540.66 and 109,023.45 is: 150,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,659.05 : 275,540.66 = 109,023.45 : x
  2. Step 2: Convert to fraction form
    199,659.05/275,540.66 = 109,023.45/x
  3. Step 3: Cross multiply
    199,659.05x = 275,540.66 × 109,023.45
  4. Step 4: Simplify right side
    199,659.05x = 30,040,392,823.36
  5. Step 5: Solve for x
    x = 30,040,392,823.36/199,659.05
  6. Step 6: Final answer
    x = 150,458.46

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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.