Home / 211,014.30-316,524.82-68,859.02

Finding the Fourth Proportional to 211,014.30, 316,524.82 and 68,859.02

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Solution

The fourth proportional to 211,014.30, 316,524.82 and 68,859.02 is: 103,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,014.30 : 316,524.82 = 68,859.02 : x
  2. Step 2: Convert to fraction form
    211,014.30/316,524.82 = 68,859.02/x
  3. Step 3: Cross multiply
    211,014.30x = 316,524.82 × 68,859.02
  4. Step 4: Simplify right side
    211,014.30x = 21,795,588,910.88
  5. Step 5: Solve for x
    x = 21,795,588,910.88/211,014.30
  6. Step 6: Final answer
    x = 103,289.63

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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.