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Finding the Fourth Proportional to 275,864.48, 413,801.92 and 76,190.16

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Solution

The fourth proportional to 275,864.48, 413,801.92 and 76,190.16 is: 114,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,864.48 : 413,801.92 = 76,190.16 : x
  2. Step 2: Convert to fraction form
    275,864.48/413,801.92 = 76,190.16/x
  3. Step 3: Cross multiply
    275,864.48x = 413,801.92 × 76,190.16
  4. Step 4: Simplify right side
    275,864.48x = 31,527,636,140.10
  5. Step 5: Solve for x
    x = 31,527,636,140.10/275,864.48
  6. Step 6: Final answer
    x = 114,286.68

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