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Finding the Fourth Proportional to 275,821.20, 413,723.57 and 76,153.77

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Solution

The fourth proportional to 275,821.20, 413,723.57 and 76,153.77 is: 114,228.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,821.20 : 413,723.57 = 76,153.77 : x
  2. Step 2: Convert to fraction form
    275,821.20/413,723.57 = 76,153.77/x
  3. Step 3: Cross multiply
    275,821.20x = 413,723.57 × 76,153.77
  4. Step 4: Simplify right side
    275,821.20x = 31,506,609,212.59
  5. Step 5: Solve for x
    x = 31,506,609,212.59/275,821.20
  6. Step 6: Final answer
    x = 114,228.38

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