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Finding the Fourth Proportional to 102,326.63, 141,215.12 and 57,004.65

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Solution

The fourth proportional to 102,326.63, 141,215.12 and 57,004.65 is: 78,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,326.63 : 141,215.12 = 57,004.65 : x
  2. Step 2: Convert to fraction form
    102,326.63/141,215.12 = 57,004.65/x
  3. Step 3: Cross multiply
    102,326.63x = 141,215.12 × 57,004.65
  4. Step 4: Simplify right side
    102,326.63x = 8,049,918,205.28
  5. Step 5: Solve for x
    x = 8,049,918,205.28/102,326.63
  6. Step 6: Final answer
    x = 78,668.85

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