Home / 203,911.88-281,406.29-113,274.72

Finding the Fourth Proportional to 203,911.88, 281,406.29 and 113,274.72

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Solution

The fourth proportional to 203,911.88, 281,406.29 and 113,274.72 is: 156,323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,911.88 : 281,406.29 = 113,274.72 : x
  2. Step 2: Convert to fraction form
    203,911.88/281,406.29 = 113,274.72/x
  3. Step 3: Cross multiply
    203,911.88x = 281,406.29 × 113,274.72
  4. Step 4: Simplify right side
    203,911.88x = 31,876,218,139.62
  5. Step 5: Solve for x
    x = 31,876,218,139.62/203,911.88
  6. Step 6: Final answer
    x = 156,323.50

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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.