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Finding the Fourth Proportional to 192,542.88, 288,815.13 and 126,401.52

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Solution

The fourth proportional to 192,542.88, 288,815.13 and 126,401.52 is: 189,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,542.88 : 288,815.13 = 126,401.52 : x
  2. Step 2: Convert to fraction form
    192,542.88/288,815.13 = 126,401.52/x
  3. Step 3: Cross multiply
    192,542.88x = 288,815.13 × 126,401.52
  4. Step 4: Simplify right side
    192,542.88x = 36,506,671,431.00
  5. Step 5: Solve for x
    x = 36,506,671,431.00/192,542.88
  6. Step 6: Final answer
    x = 189,602.81

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