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Finding the Fourth Proportional to 263,148.89, 363,145.21 and 142,289.89

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Solution

The fourth proportional to 263,148.89, 363,145.21 and 142,289.89 is: 196,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,148.89 : 363,145.21 = 142,289.89 : x
  2. Step 2: Convert to fraction form
    263,148.89/363,145.21 = 142,289.89/x
  3. Step 3: Cross multiply
    263,148.89x = 363,145.21 × 142,289.89
  4. Step 4: Simplify right side
    263,148.89x = 51,671,891,521.72
  5. Step 5: Solve for x
    x = 51,671,891,521.72/263,148.89
  6. Step 6: Final answer
    x = 196,359.91

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