Home / 217,329.78-325,966.98-84,118.91

Finding the Fourth Proportional to 217,329.78, 325,966.98 and 84,118.91

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Solution

The fourth proportional to 217,329.78, 325,966.98 and 84,118.91 is: 126,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,329.78 : 325,966.98 = 84,118.91 : x
  2. Step 2: Convert to fraction form
    217,329.78/325,966.98 = 84,118.91/x
  3. Step 3: Cross multiply
    217,329.78x = 325,966.98 × 84,118.91
  4. Step 4: Simplify right side
    217,329.78x = 27,419,985,739.20
  5. Step 5: Solve for x
    x = 27,419,985,739.20/217,329.78
  6. Step 6: Final answer
    x = 126,167.64

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1.5x scale

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.