Home / 203,724.79-281,137.91-113,081.54

Finding the Fourth Proportional to 203,724.79, 281,137.91 and 113,081.54

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Solution

The fourth proportional to 203,724.79, 281,137.91 and 113,081.54 is: 156,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,724.79 : 281,137.91 = 113,081.54 : x
  2. Step 2: Convert to fraction form
    203,724.79/281,137.91 = 113,081.54/x
  3. Step 3: Cross multiply
    203,724.79x = 281,137.91 × 113,081.54
  4. Step 4: Simplify right side
    203,724.79x = 31,791,505,844.08
  5. Step 5: Solve for x
    x = 31,791,505,844.08/203,724.79
  6. Step 6: Final answer
    x = 156,051.24

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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.