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Finding the Fourth Proportional to 311,953.40, 467,699.70 and 124,868.60

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Solution

The fourth proportional to 311,953.40, 467,699.70 and 124,868.60 is: 187,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,953.40 : 467,699.70 = 124,868.60 : x
  2. Step 2: Convert to fraction form
    311,953.40/467,699.70 = 124,868.60/x
  3. Step 3: Cross multiply
    311,953.40x = 467,699.70 × 124,868.60
  4. Step 4: Simplify right side
    311,953.40x = 58,401,006,759.42
  5. Step 5: Solve for x
    x = 58,401,006,759.42/311,953.40
  6. Step 6: Final answer
    x = 187,210.68

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