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Finding the Fourth Proportional to 159,220.80, 219,719.16 and 87,600.08

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Solution

The fourth proportional to 159,220.80, 219,719.16 and 87,600.08 is: 120,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,220.80 : 219,719.16 = 87,600.08 : x
  2. Step 2: Convert to fraction form
    159,220.80/219,719.16 = 87,600.08/x
  3. Step 3: Cross multiply
    159,220.80x = 219,719.16 × 87,600.08
  4. Step 4: Simplify right side
    159,220.80x = 19,247,415,993.53
  5. Step 5: Solve for x
    x = 19,247,415,993.53/159,220.80
  6. Step 6: Final answer
    x = 120,885.06

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