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Finding the Fourth Proportional to 168,028.60, 252,115.80 and 84,922.60

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Solution

The fourth proportional to 168,028.60, 252,115.80 and 84,922.60 is: 127,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,028.60 : 252,115.80 = 84,922.60 : x
  2. Step 2: Convert to fraction form
    168,028.60/252,115.80 = 84,922.60/x
  3. Step 3: Cross multiply
    168,028.60x = 252,115.80 × 84,922.60
  4. Step 4: Simplify right side
    168,028.60x = 21,410,329,237.08
  5. Step 5: Solve for x
    x = 21,410,329,237.08/168,028.60
  6. Step 6: Final answer
    x = 127,420.74

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