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Finding the Fourth Proportional to 219,621.20, 329,334.60 and 101,231.60

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Solution

The fourth proportional to 219,621.20, 329,334.60 and 101,231.60 is: 151,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,621.20 : 329,334.60 = 101,231.60 : x
  2. Step 2: Convert to fraction form
    219,621.20/329,334.60 = 101,231.60/x
  3. Step 3: Cross multiply
    219,621.20x = 329,334.60 × 101,231.60
  4. Step 4: Simplify right side
    219,621.20x = 33,339,068,493.36
  5. Step 5: Solve for x
    x = 33,339,068,493.36/219,621.20
  6. Step 6: Final answer
    x = 151,802.60

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