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Finding the Fourth Proportional to 175,669.20, 263,676.60 and 87,022.80

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Solution

The fourth proportional to 175,669.20, 263,676.60 and 87,022.80 is: 130,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,669.20 : 263,676.60 = 87,022.80 : x
  2. Step 2: Convert to fraction form
    175,669.20/263,676.60 = 87,022.80/x
  3. Step 3: Cross multiply
    175,669.20x = 263,676.60 × 87,022.80
  4. Step 4: Simplify right side
    175,669.20x = 22,945,876,026.48
  5. Step 5: Solve for x
    x = 22,945,876,026.48/175,669.20
  6. Step 6: Final answer
    x = 130,619.80

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