Home / 211,104.89-316,657.94-51,180.20

Finding the Fourth Proportional to 211,104.89, 316,657.94 and 51,180.20

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Solution

The fourth proportional to 211,104.89, 316,657.94 and 51,180.20 is: 76,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,104.89 : 316,657.94 = 51,180.20 : x
  2. Step 2: Convert to fraction form
    211,104.89/316,657.94 = 51,180.20/x
  3. Step 3: Cross multiply
    211,104.89x = 316,657.94 × 51,180.20
  4. Step 4: Simplify right side
    211,104.89x = 16,206,614,861.60
  5. Step 5: Solve for x
    x = 16,206,614,861.60/211,104.89
  6. Step 6: Final answer
    x = 76,770.44

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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.