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Finding the Fourth Proportional to 143,954.64, 215,503.80 and 87,625.68

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Solution

The fourth proportional to 143,954.64, 215,503.80 and 87,625.68 is: 131,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,954.64 : 215,503.80 = 87,625.68 : x
  2. Step 2: Convert to fraction form
    143,954.64/215,503.80 = 87,625.68/x
  3. Step 3: Cross multiply
    143,954.64x = 215,503.80 × 87,625.68
  4. Step 4: Simplify right side
    143,954.64x = 18,883,667,017.58
  5. Step 5: Solve for x
    x = 18,883,667,017.58/143,954.64
  6. Step 6: Final answer
    x = 131,177.90

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