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Finding the Fourth Proportional to 226,700.40, 340,180.20 and 86,559.60

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Solution

The fourth proportional to 226,700.40, 340,180.20 and 86,559.60 is: 129,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,700.40 : 340,180.20 = 86,559.60 : x
  2. Step 2: Convert to fraction form
    226,700.40/340,180.20 = 86,559.60/x
  3. Step 3: Cross multiply
    226,700.40x = 340,180.20 × 86,559.60
  4. Step 4: Simplify right side
    226,700.40x = 29,445,862,039.92
  5. Step 5: Solve for x
    x = 29,445,862,039.92/226,700.40
  6. Step 6: Final answer
    x = 129,888.88

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