Home / 214,055.78-321,099.06-73,812.38

Finding the Fourth Proportional to 214,055.78, 321,099.06 and 73,812.38

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Solution

The fourth proportional to 214,055.78, 321,099.06 and 73,812.38 is: 110,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,055.78 : 321,099.06 = 73,812.38 : x
  2. Step 2: Convert to fraction form
    214,055.78/321,099.06 = 73,812.38/x
  3. Step 3: Cross multiply
    214,055.78x = 321,099.06 × 73,812.38
  4. Step 4: Simplify right side
    214,055.78x = 23,701,085,834.36
  5. Step 5: Solve for x
    x = 23,701,085,834.36/214,055.78
  6. Step 6: Final answer
    x = 110,723.88

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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.