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Finding the Fourth Proportional to 115,365.20, 173,047.80 and 92,037.20

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Solution

The fourth proportional to 115,365.20, 173,047.80 and 92,037.20 is: 138,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,365.20 : 173,047.80 = 92,037.20 : x
  2. Step 2: Convert to fraction form
    115,365.20/173,047.80 = 92,037.20/x
  3. Step 3: Cross multiply
    115,365.20x = 173,047.80 × 92,037.20
  4. Step 4: Simplify right side
    115,365.20x = 15,926,834,978.16
  5. Step 5: Solve for x
    x = 15,926,834,978.16/115,365.20
  6. Step 6: Final answer
    x = 138,055.80

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