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Finding the Fourth Proportional to 101,494.10, 152,255.73 and 31,378.88

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Solution

The fourth proportional to 101,494.10, 152,255.73 and 31,378.88 is: 47,072.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,494.10 : 152,255.73 = 31,378.88 : x
  2. Step 2: Convert to fraction form
    101,494.10/152,255.73 = 31,378.88/x
  3. Step 3: Cross multiply
    101,494.10x = 152,255.73 × 31,378.88
  4. Step 4: Simplify right side
    101,494.10x = 4,777,613,519.70
  5. Step 5: Solve for x
    x = 4,777,613,519.70/101,494.10
  6. Step 6: Final answer
    x = 47,072.82

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