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Finding the Fourth Proportional to 281,805.20, 422,765.40 and 94,835.60

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Solution

The fourth proportional to 281,805.20, 422,765.40 and 94,835.60 is: 142,272.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,805.20 : 422,765.40 = 94,835.60 : x
  2. Step 2: Convert to fraction form
    281,805.20/422,765.40 = 94,835.60/x
  3. Step 3: Cross multiply
    281,805.20x = 422,765.40 × 94,835.60
  4. Step 4: Simplify right side
    281,805.20x = 40,093,210,368.24
  5. Step 5: Solve for x
    x = 40,093,210,368.24/281,805.20
  6. Step 6: Final answer
    x = 142,272.78

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