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Finding the Fourth Proportional to 103,289.10, 154,605.60 and 73,764.60

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Solution

The fourth proportional to 103,289.10, 154,605.60 and 73,764.60 is: 110,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,289.10 : 154,605.60 = 73,764.60 : x
  2. Step 2: Convert to fraction form
    103,289.10/154,605.60 = 73,764.60/x
  3. Step 3: Cross multiply
    103,289.10x = 154,605.60 × 73,764.60
  4. Step 4: Simplify right side
    103,289.10x = 11,404,420,241.76
  5. Step 5: Solve for x
    x = 11,404,420,241.76/103,289.10
  6. Step 6: Final answer
    x = 110,412.62

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