Home / 213,466.10-320,199.12-80,376.20

Finding the Fourth Proportional to 213,466.10, 320,199.12 and 80,376.20

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Solution

The fourth proportional to 213,466.10, 320,199.12 and 80,376.20 is: 120,564.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,466.10 : 320,199.12 = 80,376.20 : x
  2. Step 2: Convert to fraction form
    213,466.10/320,199.12 = 80,376.20/x
  3. Step 3: Cross multiply
    213,466.10x = 320,199.12 × 80,376.20
  4. Step 4: Simplify right side
    213,466.10x = 25,736,388,508.94
  5. Step 5: Solve for x
    x = 25,736,388,508.94/213,466.10
  6. Step 6: Final answer
    x = 120,564.29

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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.