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Finding the Fourth Proportional to 139,191.54, 192,267.45 and 106,729.17

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Solution

The fourth proportional to 139,191.54, 192,267.45 and 106,729.17 is: 147,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,191.54 : 192,267.45 = 106,729.17 : x
  2. Step 2: Convert to fraction form
    139,191.54/192,267.45 = 106,729.17/x
  3. Step 3: Cross multiply
    139,191.54x = 192,267.45 × 106,729.17
  4. Step 4: Simplify right side
    139,191.54x = 20,520,545,356.52
  5. Step 5: Solve for x
    x = 20,520,545,356.52/139,191.54
  6. Step 6: Final answer
    x = 147,426.67

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