Home / 203,947.86-281,447.82-113,312.25

Finding the Fourth Proportional to 203,947.86, 281,447.82 and 113,312.25

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Solution

The fourth proportional to 203,947.86, 281,447.82 and 113,312.25 is: 156,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,947.86 : 281,447.82 = 113,312.25 : x
  2. Step 2: Convert to fraction form
    203,947.86/281,447.82 = 113,312.25/x
  3. Step 3: Cross multiply
    203,947.86x = 281,447.82 × 113,312.25
  4. Step 4: Simplify right side
    203,947.86x = 31,891,485,741.80
  5. Step 5: Solve for x
    x = 31,891,485,741.80/203,947.86
  6. Step 6: Final answer
    x = 156,370.78

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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.