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Finding the Fourth Proportional to 151,902.41, 209,618.96 and 87,366.76

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Solution

The fourth proportional to 151,902.41, 209,618.96 and 87,366.76 is: 120,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,902.41 : 209,618.96 = 87,366.76 : x
  2. Step 2: Convert to fraction form
    151,902.41/209,618.96 = 87,366.76/x
  3. Step 3: Cross multiply
    151,902.41x = 209,618.96 × 87,366.76
  4. Step 4: Simplify right side
    151,902.41x = 18,313,728,408.89
  5. Step 5: Solve for x
    x = 18,313,728,408.89/151,902.41
  6. Step 6: Final answer
    x = 120,562.47

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