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Finding the Fourth Proportional to 165,911.70, 248,867.55 and 55,103.70

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Solution

The fourth proportional to 165,911.70, 248,867.55 and 55,103.70 is: 82,655.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,911.70 : 248,867.55 = 55,103.70 : x
  2. Step 2: Convert to fraction form
    165,911.70/248,867.55 = 55,103.70/x
  3. Step 3: Cross multiply
    165,911.70x = 248,867.55 × 55,103.70
  4. Step 4: Simplify right side
    165,911.70x = 13,713,522,814.94
  5. Step 5: Solve for x
    x = 13,713,522,814.94/165,911.70
  6. Step 6: Final answer
    x = 82,655.55

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