Home / 126,212.01-188,982.67-76,224.48

Finding the Fourth Proportional to 126,212.01, 188,982.67 and 76,224.48

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Solution

The fourth proportional to 126,212.01, 188,982.67 and 76,224.48 is: 114,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,212.01 : 188,982.67 = 76,224.48 : x
  2. Step 2: Convert to fraction form
    126,212.01/188,982.67 = 76,224.48/x
  3. Step 3: Cross multiply
    126,212.01x = 188,982.67 × 76,224.48
  4. Step 4: Simplify right side
    126,212.01x = 14,405,105,749.76
  5. Step 5: Solve for x
    x = 14,405,105,749.76/126,212.01
  6. Step 6: Final answer
    x = 114,134.19

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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.