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Finding the Fourth Proportional to 207,255.76, 310,850.48 and 74,111.20

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Solution

The fourth proportional to 207,255.76, 310,850.48 and 74,111.20 is: 111,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,255.76 : 310,850.48 = 74,111.20 : x
  2. Step 2: Convert to fraction form
    207,255.76/310,850.48 = 74,111.20/x
  3. Step 3: Cross multiply
    207,255.76x = 310,850.48 × 74,111.20
  4. Step 4: Simplify right side
    207,255.76x = 23,037,502,093.38
  5. Step 5: Solve for x
    x = 23,037,502,093.38/207,255.76
  6. Step 6: Final answer
    x = 111,154.94

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