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Finding the Fourth Proportional to 139,467.55, 192,557.90 and 107,144.60

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Solution

The fourth proportional to 139,467.55, 192,557.90 and 107,144.60 is: 147,930.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,467.55 : 192,557.90 = 107,144.60 : x
  2. Step 2: Convert to fraction form
    139,467.55/192,557.90 = 107,144.60/x
  3. Step 3: Cross multiply
    139,467.55x = 192,557.90 × 107,144.60
  4. Step 4: Simplify right side
    139,467.55x = 20,631,539,172.34
  5. Step 5: Solve for x
    x = 20,631,539,172.34/139,467.55
  6. Step 6: Final answer
    x = 147,930.75

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