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Finding the Fourth Proportional to 253,601.25, 349,969.73 and 140,424

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Solution

The fourth proportional to 253,601.25, 349,969.73 and 140,424 is: 193,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,601.25 : 349,969.73 = 140,424 : x
  2. Step 2: Convert to fraction form
    253,601.25/349,969.73 = 140,424/x
  3. Step 3: Cross multiply
    253,601.25x = 349,969.73 × 140,424
  4. Step 4: Simplify right side
    253,601.25x = 49,144,148,663.40
  5. Step 5: Solve for x
    x = 49,144,148,663.40/253,601.25
  6. Step 6: Final answer
    x = 193,785.12

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