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Finding the Fourth Proportional to 102,760.16, 154,147.80 and 43,589.12

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Solution

The fourth proportional to 102,760.16, 154,147.80 and 43,589.12 is: 65,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,760.16 : 154,147.80 = 43,589.12 : x
  2. Step 2: Convert to fraction form
    102,760.16/154,147.80 = 43,589.12/x
  3. Step 3: Cross multiply
    102,760.16x = 154,147.80 × 43,589.12
  4. Step 4: Simplify right side
    102,760.16x = 6,719,166,951.94
  5. Step 5: Solve for x
    x = 6,719,166,951.94/102,760.16
  6. Step 6: Final answer
    x = 65,386.89

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