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Finding the Fourth Proportional to 200,627.70, 300,941.55 and 89,819.70

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Solution

The fourth proportional to 200,627.70, 300,941.55 and 89,819.70 is: 134,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,627.70 : 300,941.55 = 89,819.70 : x
  2. Step 2: Convert to fraction form
    200,627.70/300,941.55 = 89,819.70/x
  3. Step 3: Cross multiply
    200,627.70x = 300,941.55 × 89,819.70
  4. Step 4: Simplify right side
    200,627.70x = 27,030,479,738.54
  5. Step 5: Solve for x
    x = 27,030,479,738.54/200,627.70
  6. Step 6: Final answer
    x = 134,729.55

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