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Finding the Fourth Proportional to 101,936.40, 152,904.60 and 55,280.40

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Solution

The fourth proportional to 101,936.40, 152,904.60 and 55,280.40 is: 82,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,936.40 : 152,904.60 = 55,280.40 : x
  2. Step 2: Convert to fraction form
    101,936.40/152,904.60 = 55,280.40/x
  3. Step 3: Cross multiply
    101,936.40x = 152,904.60 × 55,280.40
  4. Step 4: Simplify right side
    101,936.40x = 8,452,627,449.84
  5. Step 5: Solve for x
    x = 8,452,627,449.84/101,936.40
  6. Step 6: Final answer
    x = 82,920.60

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