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Finding the Fourth Proportional to 136,676.40, 205,014.60 and 83,914.80

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Solution

The fourth proportional to 136,676.40, 205,014.60 and 83,914.80 is: 125,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,676.40 : 205,014.60 = 83,914.80 : x
  2. Step 2: Convert to fraction form
    136,676.40/205,014.60 = 83,914.80/x
  3. Step 3: Cross multiply
    136,676.40x = 205,014.60 × 83,914.80
  4. Step 4: Simplify right side
    136,676.40x = 17,203,759,156.08
  5. Step 5: Solve for x
    x = 17,203,759,156.08/136,676.40
  6. Step 6: Final answer
    x = 125,872.20

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