Home / 214,271.28-321,453.92-81,152.52

Finding the Fourth Proportional to 214,271.28, 321,453.92 and 81,152.52

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Solution

The fourth proportional to 214,271.28, 321,453.92 and 81,152.52 is: 121,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,271.28 : 321,453.92 = 81,152.52 : x
  2. Step 2: Convert to fraction form
    214,271.28/321,453.92 = 81,152.52/x
  3. Step 3: Cross multiply
    214,271.28x = 321,453.92 × 81,152.52
  4. Step 4: Simplify right side
    214,271.28x = 26,086,795,671.88
  5. Step 5: Solve for x
    x = 26,086,795,671.88/214,271.28
  6. Step 6: Final answer
    x = 121,746.58

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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.