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Finding the Fourth Proportional to 140,842.79, 194,363.19 and 77,180.73

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Solution

The fourth proportional to 140,842.79, 194,363.19 and 77,180.73 is: 106,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,842.79 : 194,363.19 = 77,180.73 : x
  2. Step 2: Convert to fraction form
    140,842.79/194,363.19 = 77,180.73/x
  3. Step 3: Cross multiply
    140,842.79x = 194,363.19 × 77,180.73
  4. Step 4: Simplify right side
    140,842.79x = 15,001,092,889.33
  5. Step 5: Solve for x
    x = 15,001,092,889.33/140,842.79
  6. Step 6: Final answer
    x = 106,509.49

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