Home / 214,852.85-321,963.81-108,090.05

Finding the Fourth Proportional to 214,852.85, 321,963.81 and 108,090.05

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Solution

The fourth proportional to 214,852.85, 321,963.81 and 108,090.05 is: 161,976.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,852.85 : 321,963.81 = 108,090.05 : x
  2. Step 2: Convert to fraction form
    214,852.85/321,963.81 = 108,090.05/x
  3. Step 3: Cross multiply
    214,852.85x = 321,963.81 × 108,090.05
  4. Step 4: Simplify right side
    214,852.85x = 34,801,082,711.27
  5. Step 5: Solve for x
    x = 34,801,082,711.27/214,852.85
  6. Step 6: Final answer
    x = 161,976.36

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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.