Home / 213,057.13-319,530.39-63,262.21

Finding the Fourth Proportional to 213,057.13, 319,530.39 and 63,262.21

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Solution

The fourth proportional to 213,057.13, 319,530.39 and 63,262.21 is: 94,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,057.13 : 319,530.39 = 63,262.21 : x
  2. Step 2: Convert to fraction form
    213,057.13/319,530.39 = 63,262.21/x
  3. Step 3: Cross multiply
    213,057.13x = 319,530.39 × 63,262.21
  4. Step 4: Simplify right side
    213,057.13x = 20,214,198,633.56
  5. Step 5: Solve for x
    x = 20,214,198,633.56/213,057.13
  6. Step 6: Final answer
    x = 94,876.89

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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.