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Finding the Fourth Proportional to 192,857.31, 266,155.34 and 107,979.03

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Solution

The fourth proportional to 192,857.31, 266,155.34 and 107,979.03 is: 149,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,857.31 : 266,155.34 = 107,979.03 : x
  2. Step 2: Convert to fraction form
    192,857.31/266,155.34 = 107,979.03/x
  3. Step 3: Cross multiply
    192,857.31x = 266,155.34 × 107,979.03
  4. Step 4: Simplify right side
    192,857.31x = 28,739,194,902.63
  5. Step 5: Solve for x
    x = 28,739,194,902.63/192,857.31
  6. Step 6: Final answer
    x = 149,017.92

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