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Finding the Fourth Proportional to 192,478.20, 288,371.70 and 164,830.20

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Solution

The fourth proportional to 192,478.20, 288,371.70 and 164,830.20 is: 246,949.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,478.20 : 288,371.70 = 164,830.20 : x
  2. Step 2: Convert to fraction form
    192,478.20/288,371.70 = 164,830.20/x
  3. Step 3: Cross multiply
    192,478.20x = 288,371.70 × 164,830.20
  4. Step 4: Simplify right side
    192,478.20x = 47,532,364,985.34
  5. Step 5: Solve for x
    x = 47,532,364,985.34/192,478.20
  6. Step 6: Final answer
    x = 246,949.34

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