Home / 213,399.24-320,299.83-108,293.64

Finding the Fourth Proportional to 213,399.24, 320,299.83 and 108,293.64

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Solution

The fourth proportional to 213,399.24, 320,299.83 and 108,293.64 is: 162,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,399.24 : 320,299.83 = 108,293.64 : x
  2. Step 2: Convert to fraction form
    213,399.24/320,299.83 = 108,293.64/x
  3. Step 3: Cross multiply
    213,399.24x = 320,299.83 × 108,293.64
  4. Step 4: Simplify right side
    213,399.24x = 34,686,434,482.08
  5. Step 5: Solve for x
    x = 34,686,434,482.08/213,399.24
  6. Step 6: Final answer
    x = 162,542.45

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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.