Home / 203,619.42-281,028.51-113,004.49

Finding the Fourth Proportional to 203,619.42, 281,028.51 and 113,004.49

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Solution

The fourth proportional to 203,619.42, 281,028.51 and 113,004.49 is: 155,964.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,619.42 : 281,028.51 = 113,004.49 : x
  2. Step 2: Convert to fraction form
    203,619.42/281,028.51 = 113,004.49/x
  3. Step 3: Cross multiply
    203,619.42x = 281,028.51 × 113,004.49
  4. Step 4: Simplify right side
    203,619.42x = 31,757,484,380.58
  5. Step 5: Solve for x
    x = 31,757,484,380.58/203,619.42
  6. Step 6: Final answer
    x = 155,964.91

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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.