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Finding the Fourth Proportional to 185,595.78, 256,122.84 and 100,712.85

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Solution

The fourth proportional to 185,595.78, 256,122.84 and 100,712.85 is: 138,984.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,595.78 : 256,122.84 = 100,712.85 : x
  2. Step 2: Convert to fraction form
    185,595.78/256,122.84 = 100,712.85/x
  3. Step 3: Cross multiply
    185,595.78x = 256,122.84 × 100,712.85
  4. Step 4: Simplify right side
    185,595.78x = 25,794,861,166.49
  5. Step 5: Solve for x
    x = 25,794,861,166.49/185,595.78
  6. Step 6: Final answer
    x = 138,984.09

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