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Finding the Fourth Proportional to 106,945.20, 160,072.20 and 83,444.40

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Solution

The fourth proportional to 106,945.20, 160,072.20 and 83,444.40 is: 124,896.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,945.20 : 160,072.20 = 83,444.40 : x
  2. Step 2: Convert to fraction form
    106,945.20/160,072.20 = 83,444.40/x
  3. Step 3: Cross multiply
    106,945.20x = 160,072.20 × 83,444.40
  4. Step 4: Simplify right side
    106,945.20x = 13,357,128,685.68
  5. Step 5: Solve for x
    x = 13,357,128,685.68/106,945.20
  6. Step 6: Final answer
    x = 124,896.94

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