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Finding the Fourth Proportional to 102,010.35, 140,771.48 and 56,687.16

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Solution

The fourth proportional to 102,010.35, 140,771.48 and 56,687.16 is: 78,226.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,010.35 : 140,771.48 = 56,687.16 : x
  2. Step 2: Convert to fraction form
    102,010.35/140,771.48 = 56,687.16/x
  3. Step 3: Cross multiply
    102,010.35x = 140,771.48 × 56,687.16
  4. Step 4: Simplify right side
    102,010.35x = 7,979,935,654.65
  5. Step 5: Solve for x
    x = 7,979,935,654.65/102,010.35
  6. Step 6: Final answer
    x = 78,226.73

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