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Finding the Fourth Proportional to 213,915.31, 295,234.26 and 123,253.76

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Solution

The fourth proportional to 213,915.31, 295,234.26 and 123,253.76 is: 170,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,915.31 : 295,234.26 = 123,253.76 : x
  2. Step 2: Convert to fraction form
    213,915.31/295,234.26 = 123,253.76/x
  3. Step 3: Cross multiply
    213,915.31x = 295,234.26 × 123,253.76
  4. Step 4: Simplify right side
    213,915.31x = 36,388,732,625.82
  5. Step 5: Solve for x
    x = 36,388,732,625.82/213,915.31
  6. Step 6: Final answer
    x = 170,108.13

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