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Finding the Fourth Proportional to 148,287.80, 222,431.70 and 112,858.40

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Solution

The fourth proportional to 148,287.80, 222,431.70 and 112,858.40 is: 169,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,287.80 : 222,431.70 = 112,858.40 : x
  2. Step 2: Convert to fraction form
    148,287.80/222,431.70 = 112,858.40/x
  3. Step 3: Cross multiply
    148,287.80x = 222,431.70 × 112,858.40
  4. Step 4: Simplify right side
    148,287.80x = 25,103,285,771.28
  5. Step 5: Solve for x
    x = 25,103,285,771.28/148,287.80
  6. Step 6: Final answer
    x = 169,287.60

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