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Finding the Fourth Proportional to 101,991.10, 152,993.40 and 27,110.20

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Solution

The fourth proportional to 101,991.10, 152,993.40 and 27,110.20 is: 40,667.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,991.10 : 152,993.40 = 27,110.20 : x
  2. Step 2: Convert to fraction form
    101,991.10/152,993.40 = 27,110.20/x
  3. Step 3: Cross multiply
    101,991.10x = 152,993.40 × 27,110.20
  4. Step 4: Simplify right side
    101,991.10x = 4,147,681,672.68
  5. Step 5: Solve for x
    x = 4,147,681,672.68/101,991.10
  6. Step 6: Final answer
    x = 40,667.09

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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.