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Finding the Fourth Proportional to 103,681.68, 155,499.96 and 40,481.46

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Solution

The fourth proportional to 103,681.68, 155,499.96 and 40,481.46 is: 60,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,681.68 : 155,499.96 = 40,481.46 : x
  2. Step 2: Convert to fraction form
    103,681.68/155,499.96 = 40,481.46/x
  3. Step 3: Cross multiply
    103,681.68x = 155,499.96 × 40,481.46
  4. Step 4: Simplify right side
    103,681.68x = 6,294,865,410.74
  5. Step 5: Solve for x
    x = 6,294,865,410.74/103,681.68
  6. Step 6: Final answer
    x = 60,713.38

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