Home / 214,025.24-321,051.71-71,864.78

Finding the Fourth Proportional to 214,025.24, 321,051.71 and 71,864.78

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Solution

The fourth proportional to 214,025.24, 321,051.71 and 71,864.78 is: 107,801.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,025.24 : 321,051.71 = 71,864.78 : x
  2. Step 2: Convert to fraction form
    214,025.24/321,051.71 = 71,864.78/x
  3. Step 3: Cross multiply
    214,025.24x = 321,051.71 × 71,864.78
  4. Step 4: Simplify right side
    214,025.24x = 23,072,309,082.18
  5. Step 5: Solve for x
    x = 23,072,309,082.18/214,025.24
  6. Step 6: Final answer
    x = 107,801.81

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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.