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Finding the Fourth Proportional to 129,649.75, 194,474.63 and 31,153.75

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Solution

The fourth proportional to 129,649.75, 194,474.63 and 31,153.75 is: 46,730.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,649.75 : 194,474.63 = 31,153.75 : x
  2. Step 2: Convert to fraction form
    129,649.75/194,474.63 = 31,153.75/x
  3. Step 3: Cross multiply
    129,649.75x = 194,474.63 × 31,153.75
  4. Step 4: Simplify right side
    129,649.75x = 6,058,614,004.36
  5. Step 5: Solve for x
    x = 6,058,614,004.36/129,649.75
  6. Step 6: Final answer
    x = 46,730.63

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