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Finding the Fourth Proportional to 100,433.03, 138,601.67 and 60,138.77

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Solution

The fourth proportional to 100,433.03, 138,601.67 and 60,138.77 is: 82,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,433.03 : 138,601.67 = 60,138.77 : x
  2. Step 2: Convert to fraction form
    100,433.03/138,601.67 = 60,138.77/x
  3. Step 3: Cross multiply
    100,433.03x = 138,601.67 × 60,138.77
  4. Step 4: Simplify right side
    100,433.03x = 8,335,332,960.04
  5. Step 5: Solve for x
    x = 8,335,332,960.04/100,433.03
  6. Step 6: Final answer
    x = 82,993.95

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