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Finding the Fourth Proportional to 91,713.70, 137,570.55 and 91,713.70

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Solution

The fourth proportional to 91,713.70, 137,570.55 and 91,713.70 is: 137,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,713.70 : 137,570.55 = 91,713.70 : x
  2. Step 2: Convert to fraction form
    91,713.70/137,570.55 = 91,713.70/x
  3. Step 3: Cross multiply
    91,713.70x = 137,570.55 × 91,713.70
  4. Step 4: Simplify right side
    91,713.70x = 12,617,104,151.54
  5. Step 5: Solve for x
    x = 12,617,104,151.54/91,713.70
  6. Step 6: Final answer
    x = 137,570.55

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