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Finding the Fourth Proportional to 141,072.72, 211,668.44 and 87,809.24

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Solution

The fourth proportional to 141,072.72, 211,668.44 and 87,809.24 is: 131,750.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,072.72 : 211,668.44 = 87,809.24 : x
  2. Step 2: Convert to fraction form
    141,072.72/211,668.44 = 87,809.24/x
  3. Step 3: Cross multiply
    141,072.72x = 211,668.44 × 87,809.24
  4. Step 4: Simplify right side
    141,072.72x = 18,586,444,409.34
  5. Step 5: Solve for x
    x = 18,586,444,409.34/141,072.72
  6. Step 6: Final answer
    x = 131,750.81

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