Home / 213,474.54-320,200.26-108,290.76

Finding the Fourth Proportional to 213,474.54, 320,200.26 and 108,290.76

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Solution

The fourth proportional to 213,474.54, 320,200.26 and 108,290.76 is: 162,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,474.54 : 320,200.26 = 108,290.76 : x
  2. Step 2: Convert to fraction form
    213,474.54/320,200.26 = 108,290.76/x
  3. Step 3: Cross multiply
    213,474.54x = 320,200.26 × 108,290.76
  4. Step 4: Simplify right side
    213,474.54x = 34,674,729,507.60
  5. Step 5: Solve for x
    x = 34,674,729,507.60/213,474.54
  6. Step 6: Final answer
    x = 162,430.28

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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.