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Finding the Fourth Proportional to 225,790.68, 338,841.54 and 78,046.68

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Solution

The fourth proportional to 225,790.68, 338,841.54 and 78,046.68 is: 117,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,790.68 : 338,841.54 = 78,046.68 : x
  2. Step 2: Convert to fraction form
    225,790.68/338,841.54 = 78,046.68/x
  3. Step 3: Cross multiply
    225,790.68x = 338,841.54 × 78,046.68
  4. Step 4: Simplify right side
    225,790.68x = 26,445,457,243.09
  5. Step 5: Solve for x
    x = 26,445,457,243.09/225,790.68
  6. Step 6: Final answer
    x = 117,123.78

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