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Finding the Fourth Proportional to 73,182.90, 100,992.36 and 39,648.90

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Solution

The fourth proportional to 73,182.90, 100,992.36 and 39,648.90 is: 54,715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,182.90 : 100,992.36 = 39,648.90 : x
  2. Step 2: Convert to fraction form
    73,182.90/100,992.36 = 39,648.90/x
  3. Step 3: Cross multiply
    73,182.90x = 100,992.36 × 39,648.90
  4. Step 4: Simplify right side
    73,182.90x = 4,004,235,982.40
  5. Step 5: Solve for x
    x = 4,004,235,982.40/73,182.90
  6. Step 6: Final answer
    x = 54,715.46

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