Home / 211,092.89-316,639.97-51,168.18

Finding the Fourth Proportional to 211,092.89, 316,639.97 and 51,168.18

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Solution

The fourth proportional to 211,092.89, 316,639.97 and 51,168.18 is: 76,752.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,092.89 : 316,639.97 = 51,168.18 : x
  2. Step 2: Convert to fraction form
    211,092.89/316,639.97 = 51,168.18/x
  3. Step 3: Cross multiply
    211,092.89x = 316,639.97 × 51,168.18
  4. Step 4: Simplify right side
    211,092.89x = 16,201,892,103.59
  5. Step 5: Solve for x
    x = 16,201,892,103.59/211,092.89
  6. Step 6: Final answer
    x = 76,752.43

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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.