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Finding the Fourth Proportional to 175,695.11, 263,509.40 and 85,647.37

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Solution

The fourth proportional to 175,695.11, 263,509.40 and 85,647.37 is: 128,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,695.11 : 263,509.40 = 85,647.37 : x
  2. Step 2: Convert to fraction form
    175,695.11/263,509.40 = 85,647.37/x
  3. Step 3: Cross multiply
    175,695.11x = 263,509.40 × 85,647.37
  4. Step 4: Simplify right side
    175,695.11x = 22,568,886,635.62
  5. Step 5: Solve for x
    x = 22,568,886,635.62/175,695.11
  6. Step 6: Final answer
    x = 128,454.84

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