Home / 213,501.13-320,251.69-55,729.73

Finding the Fourth Proportional to 213,501.13, 320,251.69 and 55,729.73

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Solution

The fourth proportional to 213,501.13, 320,251.69 and 55,729.73 is: 83,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,501.13 : 320,251.69 = 55,729.73 : x
  2. Step 2: Convert to fraction form
    213,501.13/320,251.69 = 55,729.73/x
  3. Step 3: Cross multiply
    213,501.13x = 320,251.69 × 55,729.73
  4. Step 4: Simplify right side
    213,501.13x = 17,847,541,086.04
  5. Step 5: Solve for x
    x = 17,847,541,086.04/213,501.13
  6. Step 6: Final answer
    x = 83,594.60

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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.