Home / 214,471.52-321,498.10-102,121.55

Finding the Fourth Proportional to 214,471.52, 321,498.10 and 102,121.55

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Solution

The fourth proportional to 214,471.52, 321,498.10 and 102,121.55 is: 153,082.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,471.52 : 321,498.10 = 102,121.55 : x
  2. Step 2: Convert to fraction form
    214,471.52/321,498.10 = 102,121.55/x
  3. Step 3: Cross multiply
    214,471.52x = 321,498.10 × 102,121.55
  4. Step 4: Simplify right side
    214,471.52x = 32,831,883,783.45
  5. Step 5: Solve for x
    x = 32,831,883,783.45/214,471.52
  6. Step 6: Final answer
    x = 153,082.72

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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.