Home / 214,438.08-321,251.10-143,145.73

Finding the Fourth Proportional to 214,438.08, 321,251.10 and 143,145.73

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Solution

The fourth proportional to 214,438.08, 321,251.10 and 143,145.73 is: 214,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,438.08 : 321,251.10 = 143,145.73 : x
  2. Step 2: Convert to fraction form
    214,438.08/321,251.10 = 143,145.73/x
  3. Step 3: Cross multiply
    214,438.08x = 321,251.10 × 143,145.73
  4. Step 4: Simplify right side
    214,438.08x = 45,985,723,892.77
  5. Step 5: Solve for x
    x = 45,985,723,892.77/214,438.08
  6. Step 6: Final answer
    x = 214,447.56

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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.