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Finding the Fourth Proportional to 157,046.51, 216,687.53 and 91,625.13

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Solution

The fourth proportional to 157,046.51, 216,687.53 and 91,625.13 is: 126,421.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,046.51 : 216,687.53 = 91,625.13 : x
  2. Step 2: Convert to fraction form
    157,046.51/216,687.53 = 91,625.13/x
  3. Step 3: Cross multiply
    157,046.51x = 216,687.53 × 91,625.13
  4. Step 4: Simplify right side
    157,046.51x = 19,854,024,204.87
  5. Step 5: Solve for x
    x = 19,854,024,204.87/157,046.51
  6. Step 6: Final answer
    x = 126,421.31

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