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Finding the Fourth Proportional to 157,400.48, 236,170.45 and 82,502.82

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Solution

The fourth proportional to 157,400.48, 236,170.45 and 82,502.82 is: 123,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,400.48 : 236,170.45 = 82,502.82 : x
  2. Step 2: Convert to fraction form
    157,400.48/236,170.45 = 82,502.82/x
  3. Step 3: Cross multiply
    157,400.48x = 236,170.45 × 82,502.82
  4. Step 4: Simplify right side
    157,400.48x = 19,484,728,125.67
  5. Step 5: Solve for x
    x = 19,484,728,125.67/157,400.48
  6. Step 6: Final answer
    x = 123,790.78

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