Home / 105,821.43-146,040.14-69,949.23

Finding the Fourth Proportional to 105,821.43, 146,040.14 and 69,949.23

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Solution

The fourth proportional to 105,821.43, 146,040.14 and 69,949.23 is: 96,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,821.43 : 146,040.14 = 69,949.23 : x
  2. Step 2: Convert to fraction form
    105,821.43/146,040.14 = 69,949.23/x
  3. Step 3: Cross multiply
    105,821.43x = 146,040.14 × 69,949.23
  4. Step 4: Simplify right side
    105,821.43x = 10,215,395,342.09
  5. Step 5: Solve for x
    x = 10,215,395,342.09/105,821.43
  6. Step 6: Final answer
    x = 96,534.28

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