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Finding the Fourth Proportional to 104,704.31, 156,996.78 and 71,464.61

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Solution

The fourth proportional to 104,704.31, 156,996.78 and 71,464.61 is: 107,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,704.31 : 156,996.78 = 71,464.61 : x
  2. Step 2: Convert to fraction form
    104,704.31/156,996.78 = 71,464.61/x
  3. Step 3: Cross multiply
    104,704.31x = 156,996.78 × 71,464.61
  4. Step 4: Simplify right side
    104,704.31x = 11,219,713,653.96
  5. Step 5: Solve for x
    x = 11,219,713,653.96/104,704.31
  6. Step 6: Final answer
    x = 107,156.18

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