Home / 195,168.78-269,320.45-109,134.86

Finding the Fourth Proportional to 195,168.78, 269,320.45 and 109,134.86

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Solution

The fourth proportional to 195,168.78, 269,320.45 and 109,134.86 is: 150,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,168.78 : 269,320.45 = 109,134.86 : x
  2. Step 2: Convert to fraction form
    195,168.78/269,320.45 = 109,134.86/x
  3. Step 3: Cross multiply
    195,168.78x = 269,320.45 × 109,134.86
  4. Step 4: Simplify right side
    195,168.78x = 29,392,247,713.61
  5. Step 5: Solve for x
    x = 29,392,247,713.61/195,168.78
  6. Step 6: Final answer
    x = 150,599.13

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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.