Home / 217,348.55-325,995.10-84,137.66

Finding the Fourth Proportional to 217,348.55, 325,995.10 and 84,137.66

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Solution

The fourth proportional to 217,348.55, 325,995.10 and 84,137.66 is: 126,195.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,348.55 : 325,995.10 = 84,137.66 : x
  2. Step 2: Convert to fraction form
    217,348.55/325,995.10 = 84,137.66/x
  3. Step 3: Cross multiply
    217,348.55x = 325,995.10 × 84,137.66
  4. Step 4: Simplify right side
    217,348.55x = 27,428,464,885.47
  5. Step 5: Solve for x
    x = 27,428,464,885.47/217,348.55
  6. Step 6: Final answer
    x = 126,195.76

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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.