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Finding the Fourth Proportional to 181,007.81, 249,790.74 and 100,435.89

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Solution

The fourth proportional to 181,007.81, 249,790.74 and 100,435.89 is: 138,601.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,007.81 : 249,790.74 = 100,435.89 : x
  2. Step 2: Convert to fraction form
    181,007.81/249,790.74 = 100,435.89/x
  3. Step 3: Cross multiply
    181,007.81x = 249,790.74 × 100,435.89
  4. Step 4: Simplify right side
    181,007.81x = 25,087,955,285.66
  5. Step 5: Solve for x
    x = 25,087,955,285.66/181,007.81
  6. Step 6: Final answer
    x = 138,601.51

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