Home / 84,106.74-126,181.38-27,947.14

Finding the Fourth Proportional to 84,106.74, 126,181.38 and 27,947.14

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Solution

The fourth proportional to 84,106.74, 126,181.38 and 27,947.14 is: 41,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,106.74 : 126,181.38 = 27,947.14 : x
  2. Step 2: Convert to fraction form
    84,106.74/126,181.38 = 27,947.14/x
  3. Step 3: Cross multiply
    84,106.74x = 126,181.38 × 27,947.14
  4. Step 4: Simplify right side
    84,106.74x = 3,526,408,692.25
  5. Step 5: Solve for x
    x = 3,526,408,692.25/84,106.74
  6. Step 6: Final answer
    x = 41,927.78

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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.