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Finding the Fourth Proportional to 127,396.14, 175,641.39 and 81,992.94

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Solution

The fourth proportional to 127,396.14, 175,641.39 and 81,992.94 is: 113,043.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,396.14 : 175,641.39 = 81,992.94 : x
  2. Step 2: Convert to fraction form
    127,396.14/175,641.39 = 81,992.94/x
  3. Step 3: Cross multiply
    127,396.14x = 175,641.39 × 81,992.94
  4. Step 4: Simplify right side
    127,396.14x = 14,401,353,951.79
  5. Step 5: Solve for x
    x = 14,401,353,951.79/127,396.14
  6. Step 6: Final answer
    x = 113,043.88

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