Home / 126,845.20-190,276.92-43,738

Finding the Fourth Proportional to 126,845.20, 190,276.92 and 43,738

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Solution

The fourth proportional to 126,845.20, 190,276.92 and 43,738 is: 65,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,845.20 : 190,276.92 = 43,738 : x
  2. Step 2: Convert to fraction form
    126,845.20/190,276.92 = 43,738/x
  3. Step 3: Cross multiply
    126,845.20x = 190,276.92 × 43,738
  4. Step 4: Simplify right side
    126,845.20x = 8,322,331,926.96
  5. Step 5: Solve for x
    x = 8,322,331,926.96/126,845.20
  6. Step 6: Final answer
    x = 65,610.14

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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.