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Finding the Fourth Proportional to 185,005.81, 255,308.84 and 100,122.90

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Solution

The fourth proportional to 185,005.81, 255,308.84 and 100,122.90 is: 138,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,005.81 : 255,308.84 = 100,122.90 : x
  2. Step 2: Convert to fraction form
    185,005.81/255,308.84 = 100,122.90/x
  3. Step 3: Cross multiply
    185,005.81x = 255,308.84 × 100,122.90
  4. Step 4: Simplify right side
    185,005.81x = 25,562,261,456.44
  5. Step 5: Solve for x
    x = 25,562,261,456.44/185,005.81
  6. Step 6: Final answer
    x = 138,170.05

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