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Finding the Fourth Proportional to 99,162.48, 136,846.08 and 54,450.48

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Solution

The fourth proportional to 99,162.48, 136,846.08 and 54,450.48 is: 75,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,162.48 : 136,846.08 = 54,450.48 : x
  2. Step 2: Convert to fraction form
    99,162.48/136,846.08 = 54,450.48/x
  3. Step 3: Cross multiply
    99,162.48x = 136,846.08 × 54,450.48
  4. Step 4: Simplify right side
    99,162.48x = 7,451,334,742.12
  5. Step 5: Solve for x
    x = 7,451,334,742.12/99,162.48
  6. Step 6: Final answer
    x = 75,142.68

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