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Finding the Fourth Proportional to 165,923.40, 248,885.10 and 55,115.40

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Solution

The fourth proportional to 165,923.40, 248,885.10 and 55,115.40 is: 82,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,923.40 : 248,885.10 = 55,115.40 : x
  2. Step 2: Convert to fraction form
    165,923.40/248,885.10 = 55,115.40/x
  3. Step 3: Cross multiply
    165,923.40x = 248,885.10 × 55,115.40
  4. Step 4: Simplify right side
    165,923.40x = 13,717,401,840.54
  5. Step 5: Solve for x
    x = 13,717,401,840.54/165,923.40
  6. Step 6: Final answer
    x = 82,673.10

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