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Finding the Fourth Proportional to 220,349.87, 303,970.91 and 143,913.71

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Solution

The fourth proportional to 220,349.87, 303,970.91 and 143,913.71 is: 198,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,349.87 : 303,970.91 = 143,913.71 : x
  2. Step 2: Convert to fraction form
    220,349.87/303,970.91 = 143,913.71/x
  3. Step 3: Cross multiply
    220,349.87x = 303,970.91 × 143,913.71
  4. Step 4: Simplify right side
    220,349.87x = 43,745,579,150.75
  5. Step 5: Solve for x
    x = 43,745,579,150.75/220,349.87
  6. Step 6: Final answer
    x = 198,527.82

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