Home / 84,174.21-126,253.76-27,996.12

Finding the Fourth Proportional to 84,174.21, 126,253.76 and 27,996.12

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Solution

The fourth proportional to 84,174.21, 126,253.76 and 27,996.12 is: 41,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,174.21 : 126,253.76 = 27,996.12 : x
  2. Step 2: Convert to fraction form
    84,174.21/126,253.76 = 27,996.12/x
  3. Step 3: Cross multiply
    84,174.21x = 126,253.76 × 27,996.12
  4. Step 4: Simplify right side
    84,174.21x = 3,534,615,275.43
  5. Step 5: Solve for x
    x = 3,534,615,275.43/84,174.21
  6. Step 6: Final answer
    x = 41,991.67

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Double scale
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Similar ratio
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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.