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Finding the Fourth Proportional to 101,947.35, 140,683.43 and 56,628.22

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Solution

The fourth proportional to 101,947.35, 140,683.43 and 56,628.22 is: 78,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,947.35 : 140,683.43 = 56,628.22 : x
  2. Step 2: Convert to fraction form
    101,947.35/140,683.43 = 56,628.22/x
  3. Step 3: Cross multiply
    101,947.35x = 140,683.43 × 56,628.22
  4. Step 4: Simplify right side
    101,947.35x = 7,966,652,224.39
  5. Step 5: Solve for x
    x = 7,966,652,224.39/101,947.35
  6. Step 6: Final answer
    x = 78,144.77

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