Home / 214,257.29-321,422.85-87,966.27

Finding the Fourth Proportional to 214,257.29, 321,422.85 and 87,966.27

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Solution

The fourth proportional to 214,257.29, 321,422.85 and 87,966.27 is: 131,964.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,257.29 : 321,422.85 = 87,966.27 : x
  2. Step 2: Convert to fraction form
    214,257.29/321,422.85 = 87,966.27/x
  3. Step 3: Cross multiply
    214,257.29x = 321,422.85 × 87,966.27
  4. Step 4: Simplify right side
    214,257.29x = 28,274,369,207.27
  5. Step 5: Solve for x
    x = 28,274,369,207.27/214,257.29
  6. Step 6: Final answer
    x = 131,964.56

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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.