Home / 213,616.20-320,337.90-73,302.60

Finding the Fourth Proportional to 213,616.20, 320,337.90 and 73,302.60

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Solution

The fourth proportional to 213,616.20, 320,337.90 and 73,302.60 is: 109,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,616.20 : 320,337.90 = 73,302.60 : x
  2. Step 2: Convert to fraction form
    213,616.20/320,337.90 = 73,302.60/x
  3. Step 3: Cross multiply
    213,616.20x = 320,337.90 × 73,302.60
  4. Step 4: Simplify right side
    213,616.20x = 23,481,600,948.54
  5. Step 5: Solve for x
    x = 23,481,600,948.54/213,616.20
  6. Step 6: Final answer
    x = 109,924.25

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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.