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Finding the Fourth Proportional to 151,440.75, 208,992.60 and 84,377.07

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Solution

The fourth proportional to 151,440.75, 208,992.60 and 84,377.07 is: 116,442.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,440.75 : 208,992.60 = 84,377.07 : x
  2. Step 2: Convert to fraction form
    151,440.75/208,992.60 = 84,377.07/x
  3. Step 3: Cross multiply
    151,440.75x = 208,992.60 × 84,377.07
  4. Step 4: Simplify right side
    151,440.75x = 17,634,183,239.68
  5. Step 5: Solve for x
    x = 17,634,183,239.68/151,440.75
  6. Step 6: Final answer
    x = 116,442.79

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