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Finding the Fourth Proportional to 103,632.55, 155,448.83 and 101,328.55

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Solution

The fourth proportional to 103,632.55, 155,448.83 and 101,328.55 is: 151,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632.55 : 155,448.83 = 101,328.55 : x
  2. Step 2: Convert to fraction form
    103,632.55/155,448.83 = 101,328.55/x
  3. Step 3: Cross multiply
    103,632.55x = 155,448.83 × 101,328.55
  4. Step 4: Simplify right side
    103,632.55x = 15,751,404,543.10
  5. Step 5: Solve for x
    x = 15,751,404,543.10/103,632.55
  6. Step 6: Final answer
    x = 151,992.83

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