Home / 214,338.96-321,464.70-81,173.34

Finding the Fourth Proportional to 214,338.96, 321,464.70 and 81,173.34

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Solution

The fourth proportional to 214,338.96, 321,464.70 and 81,173.34 is: 121,743.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,338.96 : 321,464.70 = 81,173.34 : x
  2. Step 2: Convert to fraction form
    214,338.96/321,464.70 = 81,173.34/x
  3. Step 3: Cross multiply
    214,338.96x = 321,464.70 × 81,173.34
  4. Step 4: Simplify right side
    214,338.96x = 26,094,363,391.10
  5. Step 5: Solve for x
    x = 26,094,363,391.10/214,338.96
  6. Step 6: Final answer
    x = 121,743.45

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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.