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Finding the Fourth Proportional to 175,945.60, 263,745.60 and 87,212.80

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Solution

The fourth proportional to 175,945.60, 263,745.60 and 87,212.80 is: 130,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,945.60 : 263,745.60 = 87,212.80 : x
  2. Step 2: Convert to fraction form
    175,945.60/263,745.60 = 87,212.80/x
  3. Step 3: Cross multiply
    175,945.60x = 263,745.60 × 87,212.80
  4. Step 4: Simplify right side
    175,945.60x = 23,001,992,263.68
  5. Step 5: Solve for x
    x = 23,001,992,263.68/175,945.60
  6. Step 6: Final answer
    x = 130,733.55

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