Home / 214,822.10-321,742.32-102,580.94

Finding the Fourth Proportional to 214,822.10, 321,742.32 and 102,580.94

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Solution

The fourth proportional to 214,822.10, 321,742.32 and 102,580.94 is: 153,637.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,822.10 : 321,742.32 = 102,580.94 : x
  2. Step 2: Convert to fraction form
    214,822.10/321,742.32 = 102,580.94/x
  3. Step 3: Cross multiply
    214,822.10x = 321,742.32 × 102,580.94
  4. Step 4: Simplify right side
    214,822.10x = 33,004,629,623.38
  5. Step 5: Solve for x
    x = 33,004,629,623.38/214,822.10
  6. Step 6: Final answer
    x = 153,637.03

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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.