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Finding the Fourth Proportional to 203,045.04, 304,629.90 and 90,819.66

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Solution

The fourth proportional to 203,045.04, 304,629.90 and 90,819.66 is: 136,257.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,045.04 : 304,629.90 = 90,819.66 : x
  2. Step 2: Convert to fraction form
    203,045.04/304,629.90 = 90,819.66/x
  3. Step 3: Cross multiply
    203,045.04x = 304,629.90 × 90,819.66
  4. Step 4: Simplify right side
    203,045.04x = 27,666,383,943.83
  5. Step 5: Solve for x
    x = 27,666,383,943.83/203,045.04
  6. Step 6: Final answer
    x = 136,257.37

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