Home / 215,638.20-323,466.90-73,481.40

Finding the Fourth Proportional to 215,638.20, 323,466.90 and 73,481.40

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Solution

The fourth proportional to 215,638.20, 323,466.90 and 73,481.40 is: 110,225.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,638.20 : 323,466.90 = 73,481.40 : x
  2. Step 2: Convert to fraction form
    215,638.20/323,466.90 = 73,481.40/x
  3. Step 3: Cross multiply
    215,638.20x = 323,466.90 × 73,481.40
  4. Step 4: Simplify right side
    215,638.20x = 23,768,800,665.66
  5. Step 5: Solve for x
    x = 23,768,800,665.66/215,638.20
  6. Step 6: Final answer
    x = 110,225.37

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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.