Home / 214,367.33-321,270.69-87,859.46

Finding the Fourth Proportional to 214,367.33, 321,270.69 and 87,859.46

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Solution

The fourth proportional to 214,367.33, 321,270.69 and 87,859.46 is: 131,674.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,367.33 : 321,270.69 = 87,859.46 : x
  2. Step 2: Convert to fraction form
    214,367.33/321,270.69 = 87,859.46/x
  3. Step 3: Cross multiply
    214,367.33x = 321,270.69 × 87,859.46
  4. Step 4: Simplify right side
    214,367.33x = 28,226,669,337.23
  5. Step 5: Solve for x
    x = 28,226,669,337.23/214,367.33
  6. Step 6: Final answer
    x = 131,674.31

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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.