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Finding the Fourth Proportional to 178,314.40, 267,471.60 and 79,818.40

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Solution

The fourth proportional to 178,314.40, 267,471.60 and 79,818.40 is: 119,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,314.40 : 267,471.60 = 79,818.40 : x
  2. Step 2: Convert to fraction form
    178,314.40/267,471.60 = 79,818.40/x
  3. Step 3: Cross multiply
    178,314.40x = 267,471.60 × 79,818.40
  4. Step 4: Simplify right side
    178,314.40x = 21,349,155,157.44
  5. Step 5: Solve for x
    x = 21,349,155,157.44/178,314.40
  6. Step 6: Final answer
    x = 119,727.60

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