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Finding the Fourth Proportional to 219,738.80, 329,608.20 and 93,346.40

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Solution

The fourth proportional to 219,738.80, 329,608.20 and 93,346.40 is: 140,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,738.80 : 329,608.20 = 93,346.40 : x
  2. Step 2: Convert to fraction form
    219,738.80/329,608.20 = 93,346.40/x
  3. Step 3: Cross multiply
    219,738.80x = 329,608.20 × 93,346.40
  4. Step 4: Simplify right side
    219,738.80x = 30,767,738,880.48
  5. Step 5: Solve for x
    x = 30,767,738,880.48/219,738.80
  6. Step 6: Final answer
    x = 140,019.60

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