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Finding the Fourth Proportional to 135,452.80, 202,790.40 and 82,964.80

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Solution

The fourth proportional to 135,452.80, 202,790.40 and 82,964.80 is: 124,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,452.80 : 202,790.40 = 82,964.80 : x
  2. Step 2: Convert to fraction form
    135,452.80/202,790.40 = 82,964.80/x
  3. Step 3: Cross multiply
    135,452.80x = 202,790.40 × 82,964.80
  4. Step 4: Simplify right side
    135,452.80x = 16,824,464,977.92
  5. Step 5: Solve for x
    x = 16,824,464,977.92/135,452.80
  6. Step 6: Final answer
    x = 124,209.06

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