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Finding the Fourth Proportional to 248,128.56, 372,170.68 and 79,603.16

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Solution

The fourth proportional to 248,128.56, 372,170.68 and 79,603.16 is: 119,397.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,128.56 : 372,170.68 = 79,603.16 : x
  2. Step 2: Convert to fraction form
    248,128.56/372,170.68 = 79,603.16/x
  3. Step 3: Cross multiply
    248,128.56x = 372,170.68 × 79,603.16
  4. Step 4: Simplify right side
    248,128.56x = 29,625,962,187.35
  5. Step 5: Solve for x
    x = 29,625,962,187.35/248,128.56
  6. Step 6: Final answer
    x = 119,397.63

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