Home / 194,112.64-267,831.12-109,198.72

Finding the Fourth Proportional to 194,112.64, 267,831.12 and 109,198.72

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Solution

The fourth proportional to 194,112.64, 267,831.12 and 109,198.72 is: 150,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,112.64 : 267,831.12 = 109,198.72 : x
  2. Step 2: Convert to fraction form
    194,112.64/267,831.12 = 109,198.72/x
  3. Step 3: Cross multiply
    194,112.64x = 267,831.12 × 109,198.72
  4. Step 4: Simplify right side
    194,112.64x = 29,246,815,480.17
  5. Step 5: Solve for x
    x = 29,246,815,480.17/194,112.64
  6. Step 6: Final answer
    x = 150,669.30

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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.