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Finding the Fourth Proportional to 139,468.77, 192,466.13 and 79,050.84

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Solution

The fourth proportional to 139,468.77, 192,466.13 and 79,050.84 is: 109,089.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,468.77 : 192,466.13 = 79,050.84 : x
  2. Step 2: Convert to fraction form
    139,468.77/192,466.13 = 79,050.84/x
  3. Step 3: Cross multiply
    139,468.77x = 192,466.13 × 79,050.84
  4. Step 4: Simplify right side
    139,468.77x = 15,214,608,131.05
  5. Step 5: Solve for x
    x = 15,214,608,131.05/139,468.77
  6. Step 6: Final answer
    x = 109,089.71

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