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Finding the Fourth Proportional to 192,099.20, 288,148.80 and 92,307.20

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Solution

The fourth proportional to 192,099.20, 288,148.80 and 92,307.20 is: 138,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,099.20 : 288,148.80 = 92,307.20 : x
  2. Step 2: Convert to fraction form
    192,099.20/288,148.80 = 92,307.20/x
  3. Step 3: Cross multiply
    192,099.20x = 288,148.80 × 92,307.20
  4. Step 4: Simplify right side
    192,099.20x = 26,598,208,911.36
  5. Step 5: Solve for x
    x = 26,598,208,911.36/192,099.20
  6. Step 6: Final answer
    x = 138,460.80

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