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Finding the Fourth Proportional to 178,620.80, 267,931.20 and 73,515.20

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Solution

The fourth proportional to 178,620.80, 267,931.20 and 73,515.20 is: 110,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,620.80 : 267,931.20 = 73,515.20 : x
  2. Step 2: Convert to fraction form
    178,620.80/267,931.20 = 73,515.20/x
  3. Step 3: Cross multiply
    178,620.80x = 267,931.20 × 73,515.20
  4. Step 4: Simplify right side
    178,620.80x = 19,697,015,754.24
  5. Step 5: Solve for x
    x = 19,697,015,754.24/178,620.80
  6. Step 6: Final answer
    x = 110,272.80

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