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Finding the Fourth Proportional to 103,552.20, 154,982.70 and 72,448.20

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Solution

The fourth proportional to 103,552.20, 154,982.70 and 72,448.20 is: 108,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,552.20 : 154,982.70 = 72,448.20 : x
  2. Step 2: Convert to fraction form
    103,552.20/154,982.70 = 72,448.20/x
  3. Step 3: Cross multiply
    103,552.20x = 154,982.70 × 72,448.20
  4. Step 4: Simplify right side
    103,552.20x = 11,228,217,646.14
  5. Step 5: Solve for x
    x = 11,228,217,646.14/103,552.20
  6. Step 6: Final answer
    x = 108,430.51

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