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Finding the Fourth Proportional to 223,960.75, 309,057.12 and 121,984.58

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Solution

The fourth proportional to 223,960.75, 309,057.12 and 121,984.58 is: 168,333.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,960.75 : 309,057.12 = 121,984.58 : x
  2. Step 2: Convert to fraction form
    223,960.75/309,057.12 = 121,984.58/x
  3. Step 3: Cross multiply
    223,960.75x = 309,057.12 × 121,984.58
  4. Step 4: Simplify right side
    223,960.75x = 37,700,203,751.85
  5. Step 5: Solve for x
    x = 37,700,203,751.85/223,960.75
  6. Step 6: Final answer
    x = 168,333.98

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