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Finding the Fourth Proportional to 181,011.69, 249,797.22 and 100,440.78

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Solution

The fourth proportional to 181,011.69, 249,797.22 and 100,440.78 is: 138,608.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,011.69 : 249,797.22 = 100,440.78 : x
  2. Step 2: Convert to fraction form
    181,011.69/249,797.22 = 100,440.78/x
  3. Step 3: Cross multiply
    181,011.69x = 249,797.22 × 100,440.78
  4. Step 4: Simplify right side
    181,011.69x = 25,089,827,618.63
  5. Step 5: Solve for x
    x = 25,089,827,618.63/181,011.69
  6. Step 6: Final answer
    x = 138,608.88

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