Home / 214,329.84-321,472.07-87,983.40

Finding the Fourth Proportional to 214,329.84, 321,472.07 and 87,983.40

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Solution

The fourth proportional to 214,329.84, 321,472.07 and 87,983.40 is: 131,965.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,329.84 : 321,472.07 = 87,983.40 : x
  2. Step 2: Convert to fraction form
    214,329.84/321,472.07 = 87,983.40/x
  3. Step 3: Cross multiply
    214,329.84x = 321,472.07 × 87,983.40
  4. Step 4: Simplify right side
    214,329.84x = 28,284,205,723.64
  5. Step 5: Solve for x
    x = 28,284,205,723.64/214,329.84
  6. Step 6: Final answer
    x = 131,965.79

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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.