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Finding the Fourth Proportional to 461,674.80, 692,512.20 and 129,250.80

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Solution

The fourth proportional to 461,674.80, 692,512.20 and 129,250.80 is: 193,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,674.80 : 692,512.20 = 129,250.80 : x
  2. Step 2: Convert to fraction form
    461,674.80/692,512.20 = 129,250.80/x
  3. Step 3: Cross multiply
    461,674.80x = 692,512.20 × 129,250.80
  4. Step 4: Simplify right side
    461,674.80x = 89,507,755,859.76
  5. Step 5: Solve for x
    x = 89,507,755,859.76/461,674.80
  6. Step 6: Final answer
    x = 193,876.20

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