Home / 203,747.67-305,581.07-102,518.73

Finding the Fourth Proportional to 203,747.67, 305,581.07 and 102,518.73

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Solution

The fourth proportional to 203,747.67, 305,581.07 and 102,518.73 is: 153,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,747.67 : 305,581.07 = 102,518.73 : x
  2. Step 2: Convert to fraction form
    203,747.67/305,581.07 = 102,518.73/x
  3. Step 3: Cross multiply
    203,747.67x = 305,581.07 × 102,518.73
  4. Step 4: Simplify right side
    203,747.67x = 31,327,783,464.74
  5. Step 5: Solve for x
    x = 31,327,783,464.74/203,747.67
  6. Step 6: Final answer
    x = 153,757.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.