Home / 213,450.42-320,164.02-108,266.64

Finding the Fourth Proportional to 213,450.42, 320,164.02 and 108,266.64

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Solution

The fourth proportional to 213,450.42, 320,164.02 and 108,266.64 is: 162,394.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,450.42 : 320,164.02 = 108,266.64 : x
  2. Step 2: Convert to fraction form
    213,450.42/320,164.02 = 108,266.64/x
  3. Step 3: Cross multiply
    213,450.42x = 320,164.02 × 108,266.64
  4. Step 4: Simplify right side
    213,450.42x = 34,663,082,694.29
  5. Step 5: Solve for x
    x = 34,663,082,694.29/213,450.42
  6. Step 6: Final answer
    x = 162,394.07

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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.