Home / 109,513.22-164,217.98-50,331.38

Finding the Fourth Proportional to 109,513.22, 164,217.98 and 50,331.38

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Solution

The fourth proportional to 109,513.22, 164,217.98 and 50,331.38 is: 75,473.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,513.22 : 164,217.98 = 50,331.38 : x
  2. Step 2: Convert to fraction form
    109,513.22/164,217.98 = 50,331.38/x
  3. Step 3: Cross multiply
    109,513.22x = 164,217.98 × 50,331.38
  4. Step 4: Simplify right side
    109,513.22x = 8,265,317,554.21
  5. Step 5: Solve for x
    x = 8,265,317,554.21/109,513.22
  6. Step 6: Final answer
    x = 75,473.24

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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.