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Finding the Fourth Proportional to 158,965.44, 238,254.48 and 87,885.24

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Solution

The fourth proportional to 158,965.44, 238,254.48 and 87,885.24 is: 131,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,965.44 : 238,254.48 = 87,885.24 : x
  2. Step 2: Convert to fraction form
    158,965.44/238,254.48 = 87,885.24/x
  3. Step 3: Cross multiply
    158,965.44x = 238,254.48 × 87,885.24
  4. Step 4: Simplify right side
    158,965.44x = 20,939,052,155.88
  5. Step 5: Solve for x
    x = 20,939,052,155.88/158,965.44
  6. Step 6: Final answer
    x = 131,720.78

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