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Finding the Fourth Proportional to 334,086.45, 501,129.68 and 156,939.45

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Solution

The fourth proportional to 334,086.45, 501,129.68 and 156,939.45 is: 235,409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,086.45 : 501,129.68 = 156,939.45 : x
  2. Step 2: Convert to fraction form
    334,086.45/501,129.68 = 156,939.45/x
  3. Step 3: Cross multiply
    334,086.45x = 501,129.68 × 156,939.45
  4. Step 4: Simplify right side
    334,086.45x = 78,647,016,357.88
  5. Step 5: Solve for x
    x = 78,647,016,357.88/334,086.45
  6. Step 6: Final answer
    x = 235,409.18

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