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Finding the Fourth Proportional to 101,992.25, 140,758.82 and 61,715.94

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Solution

The fourth proportional to 101,992.25, 140,758.82 and 61,715.94 is: 85,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,992.25 : 140,758.82 = 61,715.94 : x
  2. Step 2: Convert to fraction form
    101,992.25/140,758.82 = 61,715.94/x
  3. Step 3: Cross multiply
    101,992.25x = 140,758.82 × 61,715.94
  4. Step 4: Simplify right side
    101,992.25x = 8,687,062,581.01
  5. Step 5: Solve for x
    x = 8,687,062,581.01/101,992.25
  6. Step 6: Final answer
    x = 85,173.76

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