Home / 123,954.20-171,092.27-72,996.49

Finding the Fourth Proportional to 123,954.20, 171,092.27 and 72,996.49

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Solution

The fourth proportional to 123,954.20, 171,092.27 and 72,996.49 is: 100,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,954.20 : 171,092.27 = 72,996.49 : x
  2. Step 2: Convert to fraction form
    123,954.20/171,092.27 = 72,996.49/x
  3. Step 3: Cross multiply
    123,954.20x = 171,092.27 × 72,996.49
  4. Step 4: Simplify right side
    123,954.20x = 12,489,135,176.13
  5. Step 5: Solve for x
    x = 12,489,135,176.13/123,954.20
  6. Step 6: Final answer
    x = 100,756.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.