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Finding the Fourth Proportional to 187,561.42, 258,834.76 and 102,678.48

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Solution

The fourth proportional to 187,561.42, 258,834.76 and 102,678.48 is: 141,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,561.42 : 258,834.76 = 102,678.48 : x
  2. Step 2: Convert to fraction form
    187,561.42/258,834.76 = 102,678.48/x
  3. Step 3: Cross multiply
    187,561.42x = 258,834.76 × 102,678.48
  4. Step 4: Simplify right side
    187,561.42x = 26,576,759,727.96
  5. Step 5: Solve for x
    x = 26,576,759,727.96/187,561.42
  6. Step 6: Final answer
    x = 141,696.30

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