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Finding the Fourth Proportional to 159,250.65, 219,766.94 and 87,628.83

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Solution

The fourth proportional to 159,250.65, 219,766.94 and 87,628.83 is: 120,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,250.65 : 219,766.94 = 87,628.83 : x
  2. Step 2: Convert to fraction form
    159,250.65/219,766.94 = 87,628.83/x
  3. Step 3: Cross multiply
    159,250.65x = 219,766.94 × 87,628.83
  4. Step 4: Simplify right side
    159,250.65x = 19,257,919,824.88
  5. Step 5: Solve for x
    x = 19,257,919,824.88/159,250.65
  6. Step 6: Final answer
    x = 120,928.36

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