Home / 213,517.50-320,331.96-63,757.80

Finding the Fourth Proportional to 213,517.50, 320,331.96 and 63,757.80

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Solution

The fourth proportional to 213,517.50, 320,331.96 and 63,757.80 is: 95,653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,517.50 : 320,331.96 = 63,757.80 : x
  2. Step 2: Convert to fraction form
    213,517.50/320,331.96 = 63,757.80/x
  3. Step 3: Cross multiply
    213,517.50x = 320,331.96 × 63,757.80
  4. Step 4: Simplify right side
    213,517.50x = 20,423,661,039.29
  5. Step 5: Solve for x
    x = 20,423,661,039.29/213,517.50
  6. Step 6: Final answer
    x = 95,653.34

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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.