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Finding the Fourth Proportional to 122,338.60, 183,464.70 and 43,455.40

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Solution

The fourth proportional to 122,338.60, 183,464.70 and 43,455.40 is: 65,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,338.60 : 183,464.70 = 43,455.40 : x
  2. Step 2: Convert to fraction form
    122,338.60/183,464.70 = 43,455.40/x
  3. Step 3: Cross multiply
    122,338.60x = 183,464.70 × 43,455.40
  4. Step 4: Simplify right side
    122,338.60x = 7,972,531,924.38
  5. Step 5: Solve for x
    x = 7,972,531,924.38/122,338.60
  6. Step 6: Final answer
    x = 65,167.76

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