Home / 198,067.56-273,014.91-154,972.71

Finding the Fourth Proportional to 198,067.56, 273,014.91 and 154,972.71

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Solution

The fourth proportional to 198,067.56, 273,014.91 and 154,972.71 is: 213,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,067.56 : 273,014.91 = 154,972.71 : x
  2. Step 2: Convert to fraction form
    198,067.56/273,014.91 = 154,972.71/x
  3. Step 3: Cross multiply
    198,067.56x = 273,014.91 × 154,972.71
  4. Step 4: Simplify right side
    198,067.56x = 42,309,860,473.11
  5. Step 5: Solve for x
    x = 42,309,860,473.11/198,067.56
  6. Step 6: Final answer
    x = 213,613.28

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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.