Home / 84,215.33-126,213.30-34,237.11

Finding the Fourth Proportional to 84,215.33, 126,213.30 and 34,237.11

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Solution

The fourth proportional to 84,215.33, 126,213.30 and 34,237.11 is: 51,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,215.33 : 126,213.30 = 34,237.11 : x
  2. Step 2: Convert to fraction form
    84,215.33/126,213.30 = 34,237.11/x
  3. Step 3: Cross multiply
    84,215.33x = 126,213.30 × 34,237.11
  4. Step 4: Simplify right side
    84,215.33x = 4,321,178,635.56
  5. Step 5: Solve for x
    x = 4,321,178,635.56/84,215.33
  6. Step 6: Final answer
    x = 51,311.07

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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.