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Finding the Fourth Proportional to 253,318.76, 349,590.18 and 140,139.56

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Solution

The fourth proportional to 253,318.76, 349,590.18 and 140,139.56 is: 193,398.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,318.76 : 349,590.18 = 140,139.56 : x
  2. Step 2: Convert to fraction form
    253,318.76/349,590.18 = 140,139.56/x
  3. Step 3: Cross multiply
    253,318.76x = 349,590.18 × 140,139.56
  4. Step 4: Simplify right side
    253,318.76x = 48,991,414,005.52
  5. Step 5: Solve for x
    x = 48,991,414,005.52/253,318.76
  6. Step 6: Final answer
    x = 193,398.29

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