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Finding the Fourth Proportional to 118,206.54, 177,309.81 and 71,360.46

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Solution

The fourth proportional to 118,206.54, 177,309.81 and 71,360.46 is: 107,040.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,206.54 : 177,309.81 = 71,360.46 : x
  2. Step 2: Convert to fraction form
    118,206.54/177,309.81 = 71,360.46/x
  3. Step 3: Cross multiply
    118,206.54x = 177,309.81 × 71,360.46
  4. Step 4: Simplify right side
    118,206.54x = 12,652,909,604.11
  5. Step 5: Solve for x
    x = 12,652,909,604.11/118,206.54
  6. Step 6: Final answer
    x = 107,040.69

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