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Finding the Fourth Proportional to 122,068.80, 183,016.80 and 55,540.80

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Solution

The fourth proportional to 122,068.80, 183,016.80 and 55,540.80 is: 83,271.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,068.80 : 183,016.80 = 55,540.80 : x
  2. Step 2: Convert to fraction form
    122,068.80/183,016.80 = 55,540.80/x
  3. Step 3: Cross multiply
    122,068.80x = 183,016.80 × 55,540.80
  4. Step 4: Simplify right side
    122,068.80x = 10,164,899,485.44
  5. Step 5: Solve for x
    x = 10,164,899,485.44/122,068.80
  6. Step 6: Final answer
    x = 83,271.89

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