Home / 203,974.42-281,485.01-113,330.47

Finding the Fourth Proportional to 203,974.42, 281,485.01 and 113,330.47

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Solution

The fourth proportional to 203,974.42, 281,485.01 and 113,330.47 is: 156,396.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,974.42 : 281,485.01 = 113,330.47 : x
  2. Step 2: Convert to fraction form
    203,974.42/281,485.01 = 113,330.47/x
  3. Step 3: Cross multiply
    203,974.42x = 281,485.01 × 113,330.47
  4. Step 4: Simplify right side
    203,974.42x = 31,900,828,481.25
  5. Step 5: Solve for x
    x = 31,900,828,481.25/203,974.42
  6. Step 6: Final answer
    x = 156,396.22

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1.5x scale

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.