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Finding the Fourth Proportional to 139,604.49, 192,770.55 and 129,473.91

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Solution

The fourth proportional to 139,604.49, 192,770.55 and 129,473.91 is: 178,781.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,604.49 : 192,770.55 = 129,473.91 : x
  2. Step 2: Convert to fraction form
    139,604.49/192,770.55 = 129,473.91/x
  3. Step 3: Cross multiply
    139,604.49x = 192,770.55 × 129,473.91
  4. Step 4: Simplify right side
    139,604.49x = 24,958,756,841.35
  5. Step 5: Solve for x
    x = 24,958,756,841.35/139,604.49
  6. Step 6: Final answer
    x = 178,781.91

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