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Finding the Fourth Proportional to 220,788.60, 330,923.70 and 102,209.46

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Solution

The fourth proportional to 220,788.60, 330,923.70 and 102,209.46 is: 153,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,788.60 : 330,923.70 = 102,209.46 : x
  2. Step 2: Convert to fraction form
    220,788.60/330,923.70 = 102,209.46/x
  3. Step 3: Cross multiply
    220,788.60x = 330,923.70 × 102,209.46
  4. Step 4: Simplify right side
    220,788.60x = 33,823,532,678.20
  5. Step 5: Solve for x
    x = 33,823,532,678.20/220,788.60
  6. Step 6: Final answer
    x = 153,194.20

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