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Finding the Fourth Proportional to 72,208.98, 108,316.80 and 51,242.94

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Solution

The fourth proportional to 72,208.98, 108,316.80 and 51,242.94 is: 76,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,208.98 : 108,316.80 = 51,242.94 : x
  2. Step 2: Convert to fraction form
    72,208.98/108,316.80 = 51,242.94/x
  3. Step 3: Cross multiply
    72,208.98x = 108,316.80 × 51,242.94
  4. Step 4: Simplify right side
    72,208.98x = 5,550,471,283.39
  5. Step 5: Solve for x
    x = 5,550,471,283.39/72,208.98
  6. Step 6: Final answer
    x = 76,866.77

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