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Finding the Fourth Proportional to 156,453.48, 215,872.56 and 92,811.96

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Solution

The fourth proportional to 156,453.48, 215,872.56 and 92,811.96 is: 128,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,453.48 : 215,872.56 = 92,811.96 : x
  2. Step 2: Convert to fraction form
    156,453.48/215,872.56 = 92,811.96/x
  3. Step 3: Cross multiply
    156,453.48x = 215,872.56 × 92,811.96
  4. Step 4: Simplify right side
    156,453.48x = 20,035,555,403.82
  5. Step 5: Solve for x
    x = 20,035,555,403.82/156,453.48
  6. Step 6: Final answer
    x = 128,060.78

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