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Finding the Fourth Proportional to 178,436.62, 267,724.98 and 78,526.73

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Solution

The fourth proportional to 178,436.62, 267,724.98 and 78,526.73 is: 117,820.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,436.62 : 267,724.98 = 78,526.73 : x
  2. Step 2: Convert to fraction form
    178,436.62/267,724.98 = 78,526.73/x
  3. Step 3: Cross multiply
    178,436.62x = 267,724.98 × 78,526.73
  4. Step 4: Simplify right side
    178,436.62x = 21,023,565,880.09
  5. Step 5: Solve for x
    x = 21,023,565,880.09/178,436.62
  6. Step 6: Final answer
    x = 117,820.92

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