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Finding the Fourth Proportional to 203,434.40, 305,200.20 and 98,166.80

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Solution

The fourth proportional to 203,434.40, 305,200.20 and 98,166.80 is: 147,273.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,434.40 : 305,200.20 = 98,166.80 : x
  2. Step 2: Convert to fraction form
    203,434.40/305,200.20 = 98,166.80/x
  3. Step 3: Cross multiply
    203,434.40x = 305,200.20 × 98,166.80
  4. Step 4: Simplify right side
    203,434.40x = 29,960,526,993.36
  5. Step 5: Solve for x
    x = 29,960,526,993.36/203,434.40
  6. Step 6: Final answer
    x = 147,273.65

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