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Finding the Fourth Proportional to 139,952.81, 209,929.22 and 46,458.56

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Solution

The fourth proportional to 139,952.81, 209,929.22 and 46,458.56 is: 69,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,952.81 : 209,929.22 = 46,458.56 : x
  2. Step 2: Convert to fraction form
    139,952.81/209,929.22 = 46,458.56/x
  3. Step 3: Cross multiply
    139,952.81x = 209,929.22 × 46,458.56
  4. Step 4: Simplify right side
    139,952.81x = 9,753,009,729.87
  5. Step 5: Solve for x
    x = 9,753,009,729.87/139,952.81
  6. Step 6: Final answer
    x = 69,687.84

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