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Finding the Fourth Proportional to 195,631.20, 293,446.80 and 153,640.80

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Solution

The fourth proportional to 195,631.20, 293,446.80 and 153,640.80 is: 230,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,631.20 : 293,446.80 = 153,640.80 : x
  2. Step 2: Convert to fraction form
    195,631.20/293,446.80 = 153,640.80/x
  3. Step 3: Cross multiply
    195,631.20x = 293,446.80 × 153,640.80
  4. Step 4: Simplify right side
    195,631.20x = 45,085,401,109.44
  5. Step 5: Solve for x
    x = 45,085,401,109.44/195,631.20
  6. Step 6: Final answer
    x = 230,461.20

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