Home / 213,449.13-320,353.31-106,801.09

Finding the Fourth Proportional to 213,449.13, 320,353.31 and 106,801.09

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Solution

The fourth proportional to 213,449.13, 320,353.31 and 106,801.09 is: 160,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,449.13 : 320,353.31 = 106,801.09 : x
  2. Step 2: Convert to fraction form
    213,449.13/320,353.31 = 106,801.09/x
  3. Step 3: Cross multiply
    213,449.13x = 320,353.31 × 106,801.09
  4. Step 4: Simplify right side
    213,449.13x = 34,214,082,693.11
  5. Step 5: Solve for x
    x = 34,214,082,693.11/213,449.13
  6. Step 6: Final answer
    x = 160,291.51

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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.