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Finding the Fourth Proportional to 111,702.80, 167,554.20 and 99,455.60

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Solution

The fourth proportional to 111,702.80, 167,554.20 and 99,455.60 is: 149,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,702.80 : 167,554.20 = 99,455.60 : x
  2. Step 2: Convert to fraction form
    111,702.80/167,554.20 = 99,455.60/x
  3. Step 3: Cross multiply
    111,702.80x = 167,554.20 × 99,455.60
  4. Step 4: Simplify right side
    111,702.80x = 16,664,203,493.52
  5. Step 5: Solve for x
    x = 16,664,203,493.52/111,702.80
  6. Step 6: Final answer
    x = 149,183.40

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