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Finding the Fourth Proportional to 165,936.40, 248,904.60 and 55,128.40

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Solution

The fourth proportional to 165,936.40, 248,904.60 and 55,128.40 is: 82,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,936.40 : 248,904.60 = 55,128.40 : x
  2. Step 2: Convert to fraction form
    165,936.40/248,904.60 = 55,128.40/x
  3. Step 3: Cross multiply
    165,936.40x = 248,904.60 × 55,128.40
  4. Step 4: Simplify right side
    165,936.40x = 13,721,712,350.64
  5. Step 5: Solve for x
    x = 13,721,712,350.64/165,936.40
  6. Step 6: Final answer
    x = 82,692.60

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