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Finding the Fourth Proportional to 208,729.63, 288,046.97 and 118,083.79

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Solution

The fourth proportional to 208,729.63, 288,046.97 and 118,083.79 is: 162,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,729.63 : 288,046.97 = 118,083.79 : x
  2. Step 2: Convert to fraction form
    208,729.63/288,046.97 = 118,083.79/x
  3. Step 3: Cross multiply
    208,729.63x = 288,046.97 × 118,083.79
  4. Step 4: Simplify right side
    208,729.63x = 34,013,677,915.62
  5. Step 5: Solve for x
    x = 34,013,677,915.62/208,729.63
  6. Step 6: Final answer
    x = 162,955.68

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