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Finding the Fourth Proportional to 101,313.28, 139,815.13 and 55,994.18

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Solution

The fourth proportional to 101,313.28, 139,815.13 and 55,994.18 is: 77,273.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,313.28 : 139,815.13 = 55,994.18 : x
  2. Step 2: Convert to fraction form
    101,313.28/139,815.13 = 55,994.18/x
  3. Step 3: Cross multiply
    101,313.28x = 139,815.13 × 55,994.18
  4. Step 4: Simplify right side
    101,313.28x = 7,828,833,555.94
  5. Step 5: Solve for x
    x = 7,828,833,555.94/101,313.28
  6. Step 6: Final answer
    x = 77,273.52

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