Home / 203,738.05-281,349.96-131,268.16

Finding the Fourth Proportional to 203,738.05, 281,349.96 and 131,268.16

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Solution

The fourth proportional to 203,738.05, 281,349.96 and 131,268.16 is: 181,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,738.05 : 281,349.96 = 131,268.16 : x
  2. Step 2: Convert to fraction form
    203,738.05/281,349.96 = 131,268.16/x
  3. Step 3: Cross multiply
    203,738.05x = 281,349.96 × 131,268.16
  4. Step 4: Simplify right side
    203,738.05x = 36,932,289,502.18
  5. Step 5: Solve for x
    x = 36,932,289,502.18/203,738.05
  6. Step 6: Final answer
    x = 181,273.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.