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Finding the Fourth Proportional to 178,764.14, 268,204.54 and 85,257.74

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Solution

The fourth proportional to 178,764.14, 268,204.54 and 85,257.74 is: 127,914.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,764.14 : 268,204.54 = 85,257.74 : x
  2. Step 2: Convert to fraction form
    178,764.14/268,204.54 = 85,257.74/x
  3. Step 3: Cross multiply
    178,764.14x = 268,204.54 × 85,257.74
  4. Step 4: Simplify right side
    178,764.14x = 22,866,512,938.14
  5. Step 5: Solve for x
    x = 22,866,512,938.14/178,764.14
  6. Step 6: Final answer
    x = 127,914.43

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