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Finding the Fourth Proportional to 181,151.25, 249,996.54 and 100,578.78

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Solution

The fourth proportional to 181,151.25, 249,996.54 and 100,578.78 is: 138,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,151.25 : 249,996.54 = 100,578.78 : x
  2. Step 2: Convert to fraction form
    181,151.25/249,996.54 = 100,578.78/x
  3. Step 3: Cross multiply
    181,151.25x = 249,996.54 × 100,578.78
  4. Step 4: Simplify right side
    181,151.25x = 25,144,346,997.42
  5. Step 5: Solve for x
    x = 25,144,346,997.42/181,151.25
  6. Step 6: Final answer
    x = 138,803.06

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