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Finding the Fourth Proportional to 82,175.40, 123,191.10 and 55,794.60

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Solution

The fourth proportional to 82,175.40, 123,191.10 and 55,794.60 is: 83,643.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,175.40 : 123,191.10 = 55,794.60 : x
  2. Step 2: Convert to fraction form
    82,175.40/123,191.10 = 55,794.60/x
  3. Step 3: Cross multiply
    82,175.40x = 123,191.10 × 55,794.60
  4. Step 4: Simplify right side
    82,175.40x = 6,873,398,148.06
  5. Step 5: Solve for x
    x = 6,873,398,148.06/82,175.40
  6. Step 6: Final answer
    x = 83,643.01

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