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Finding the Fourth Proportional to 105,005.97, 144,905.07 and 57,260.25

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Solution

The fourth proportional to 105,005.97, 144,905.07 and 57,260.25 is: 79,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,005.97 : 144,905.07 = 57,260.25 : x
  2. Step 2: Convert to fraction form
    105,005.97/144,905.07 = 57,260.25/x
  3. Step 3: Cross multiply
    105,005.97x = 144,905.07 × 57,260.25
  4. Step 4: Simplify right side
    105,005.97x = 8,297,300,534.47
  5. Step 5: Solve for x
    x = 8,297,300,534.47/105,005.97
  6. Step 6: Final answer
    x = 79,017.42

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