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Finding the Fourth Proportional to 231,702.80, 347,116.80 and 118,999.40

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Solution

The fourth proportional to 231,702.80, 347,116.80 and 118,999.40 is: 178,274.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,702.80 : 347,116.80 = 118,999.40 : x
  2. Step 2: Convert to fraction form
    231,702.80/347,116.80 = 118,999.40/x
  3. Step 3: Cross multiply
    231,702.80x = 347,116.80 × 118,999.40
  4. Step 4: Simplify right side
    231,702.80x = 41,306,690,929.92
  5. Step 5: Solve for x
    x = 41,306,690,929.92/231,702.80
  6. Step 6: Final answer
    x = 178,274.46

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