Home / 203,657.72-281,049.18-113,014.04

Finding the Fourth Proportional to 203,657.72, 281,049.18 and 113,014.04

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Solution

The fourth proportional to 203,657.72, 281,049.18 and 113,014.04 is: 155,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,657.72 : 281,049.18 = 113,014.04 : x
  2. Step 2: Convert to fraction form
    203,657.72/281,049.18 = 113,014.04/x
  3. Step 3: Cross multiply
    203,657.72x = 281,049.18 × 113,014.04
  4. Step 4: Simplify right side
    203,657.72x = 31,762,503,270.49
  5. Step 5: Solve for x
    x = 31,762,503,270.49/203,657.72
  6. Step 6: Final answer
    x = 155,960.22

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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.