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Finding the Fourth Proportional to 111,702.80, 167,554.20 and 99,261.20

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Solution

The fourth proportional to 111,702.80, 167,554.20 and 99,261.20 is: 148,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,702.80 : 167,554.20 = 99,261.20 : x
  2. Step 2: Convert to fraction form
    111,702.80/167,554.20 = 99,261.20/x
  3. Step 3: Cross multiply
    111,702.80x = 167,554.20 × 99,261.20
  4. Step 4: Simplify right side
    111,702.80x = 16,631,630,957.04
  5. Step 5: Solve for x
    x = 16,631,630,957.04/111,702.80
  6. Step 6: Final answer
    x = 148,891.80

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