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Finding the Fourth Proportional to 158,896.40, 219,278.46 and 87,278.02

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Solution

The fourth proportional to 158,896.40, 219,278.46 and 87,278.02 is: 120,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,896.40 : 219,278.46 = 87,278.02 : x
  2. Step 2: Convert to fraction form
    158,896.40/219,278.46 = 87,278.02/x
  3. Step 3: Cross multiply
    158,896.40x = 219,278.46 × 87,278.02
  4. Step 4: Simplify right side
    158,896.40x = 19,138,189,817.45
  5. Step 5: Solve for x
    x = 19,138,189,817.45/158,896.40
  6. Step 6: Final answer
    x = 120,444.45

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