Home / 206,835.28-285,459.08-126,245.56

Finding the Fourth Proportional to 206,835.28, 285,459.08 and 126,245.56

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Solution

The fourth proportional to 206,835.28, 285,459.08 and 126,245.56 is: 174,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,835.28 : 285,459.08 = 126,245.56 : x
  2. Step 2: Convert to fraction form
    206,835.28/285,459.08 = 126,245.56/x
  3. Step 3: Cross multiply
    206,835.28x = 285,459.08 × 126,245.56
  4. Step 4: Simplify right side
    206,835.28x = 36,037,941,411.68
  5. Step 5: Solve for x
    x = 36,037,941,411.68/206,835.28
  6. Step 6: Final answer
    x = 174,234.98

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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.