Home / 206,747.45-285,355.95-126,157.73

Finding the Fourth Proportional to 206,747.45, 285,355.95 and 126,157.73

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Solution

The fourth proportional to 206,747.45, 285,355.95 and 126,157.73 is: 174,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,747.45 : 285,355.95 = 126,157.73 : x
  2. Step 2: Convert to fraction form
    206,747.45/285,355.95 = 126,157.73/x
  3. Step 3: Cross multiply
    206,747.45x = 285,355.95 × 126,157.73
  4. Step 4: Simplify right side
    206,747.45x = 35,999,858,893.99
  5. Step 5: Solve for x
    x = 35,999,858,893.99/206,747.45
  6. Step 6: Final answer
    x = 174,124.80

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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.