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Finding the Fourth Proportional to 139,165.53, 208,761.96 and 39,326.49

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Solution

The fourth proportional to 139,165.53, 208,761.96 and 39,326.49 is: 58,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,165.53 : 208,761.96 = 39,326.49 : x
  2. Step 2: Convert to fraction form
    139,165.53/208,761.96 = 39,326.49/x
  3. Step 3: Cross multiply
    139,165.53x = 208,761.96 × 39,326.49
  4. Step 4: Simplify right side
    139,165.53x = 8,209,875,132.32
  5. Step 5: Solve for x
    x = 8,209,875,132.32/139,165.53
  6. Step 6: Final answer
    x = 58,993.60

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