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Finding the Fourth Proportional to 97,724.80, 137,091.20 and 97,724.80

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Solution

The fourth proportional to 97,724.80, 137,091.20 and 97,724.80 is: 137,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,724.80 : 137,091.20 = 97,724.80 : x
  2. Step 2: Convert to fraction form
    97,724.80/137,091.20 = 97,724.80/x
  3. Step 3: Cross multiply
    97,724.80x = 137,091.20 × 97,724.80
  4. Step 4: Simplify right side
    97,724.80x = 13,397,210,101.76
  5. Step 5: Solve for x
    x = 13,397,210,101.76/97,724.80
  6. Step 6: Final answer
    x = 137,091.20

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