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Finding the Fourth Proportional to 100,549.97, 150,825.41 and 33,990.45

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Solution

The fourth proportional to 100,549.97, 150,825.41 and 33,990.45 is: 50,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,549.97 : 150,825.41 = 33,990.45 : x
  2. Step 2: Convert to fraction form
    100,549.97/150,825.41 = 33,990.45/x
  3. Step 3: Cross multiply
    100,549.97x = 150,825.41 × 33,990.45
  4. Step 4: Simplify right side
    100,549.97x = 5,126,623,387.38
  5. Step 5: Solve for x
    x = 5,126,623,387.38/100,549.97
  6. Step 6: Final answer
    x = 50,985.83

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1.5x scale

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.