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Finding the Fourth Proportional to 251,949.05, 347,689.67 and 138,771.80

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Solution

The fourth proportional to 251,949.05, 347,689.67 and 138,771.80 is: 191,505.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,949.05 : 347,689.67 = 138,771.80 : x
  2. Step 2: Convert to fraction form
    251,949.05/347,689.67 = 138,771.80/x
  3. Step 3: Cross multiply
    251,949.05x = 347,689.67 × 138,771.80
  4. Step 4: Simplify right side
    251,949.05x = 48,249,521,347.31
  5. Step 5: Solve for x
    x = 48,249,521,347.31/251,949.05
  6. Step 6: Final answer
    x = 191,505.07

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