Home / 213,756.23-320,453.25-93,722.21

Finding the Fourth Proportional to 213,756.23, 320,453.25 and 93,722.21

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Solution

The fourth proportional to 213,756.23, 320,453.25 and 93,722.21 is: 140,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,756.23 : 320,453.25 = 93,722.21 : x
  2. Step 2: Convert to fraction form
    213,756.23/320,453.25 = 93,722.21/x
  3. Step 3: Cross multiply
    213,756.23x = 320,453.25 × 93,722.21
  4. Step 4: Simplify right side
    213,756.23x = 30,033,586,791.68
  5. Step 5: Solve for x
    x = 30,033,586,791.68/213,756.23
  6. Step 6: Final answer
    x = 140,503.91

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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.