Home / 211,095.67-316,644.14-51,170.97

Finding the Fourth Proportional to 211,095.67, 316,644.14 and 51,170.97

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Solution

The fourth proportional to 211,095.67, 316,644.14 and 51,170.97 is: 76,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,095.67 : 316,644.14 = 51,170.97 : x
  2. Step 2: Convert to fraction form
    211,095.67/316,644.14 = 51,170.97/x
  3. Step 3: Cross multiply
    211,095.67x = 316,644.14 × 51,170.97
  4. Step 4: Simplify right side
    211,095.67x = 16,202,987,788.62
  5. Step 5: Solve for x
    x = 16,202,987,788.62/211,095.67
  6. Step 6: Final answer
    x = 76,756.61

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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.