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Finding the Fourth Proportional to 175,033.70, 262,550.55 and 81,721.70

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Solution

The fourth proportional to 175,033.70, 262,550.55 and 81,721.70 is: 122,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,033.70 : 262,550.55 = 81,721.70 : x
  2. Step 2: Convert to fraction form
    175,033.70/262,550.55 = 81,721.70/x
  3. Step 3: Cross multiply
    175,033.70x = 262,550.55 × 81,721.70
  4. Step 4: Simplify right side
    175,033.70x = 21,456,077,281.94
  5. Step 5: Solve for x
    x = 21,456,077,281.94/175,033.70
  6. Step 6: Final answer
    x = 122,582.55

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