Home / 213,143.11-319,489.38-70,950.44

Finding the Fourth Proportional to 213,143.11, 319,489.38 and 70,950.44

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Solution

The fourth proportional to 213,143.11, 319,489.38 and 70,950.44 is: 106,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,143.11 : 319,489.38 = 70,950.44 : x
  2. Step 2: Convert to fraction form
    213,143.11/319,489.38 = 70,950.44/x
  3. Step 3: Cross multiply
    213,143.11x = 319,489.38 × 70,950.44
  4. Step 4: Simplify right side
    213,143.11x = 22,667,912,086.33
  5. Step 5: Solve for x
    x = 22,667,912,086.33/213,143.11
  6. Step 6: Final answer
    x = 106,350.67

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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.