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Finding the Fourth Proportional to 101,632.32, 140,238.60 and 56,299.08

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Solution

The fourth proportional to 101,632.32, 140,238.60 and 56,299.08 is: 77,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,632.32 : 140,238.60 = 56,299.08 : x
  2. Step 2: Convert to fraction form
    101,632.32/140,238.60 = 56,299.08/x
  3. Step 3: Cross multiply
    101,632.32x = 140,238.60 × 56,299.08
  4. Step 4: Simplify right side
    101,632.32x = 7,895,304,160.49
  5. Step 5: Solve for x
    x = 7,895,304,160.49/101,632.32
  6. Step 6: Final answer
    x = 77,684.97

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