Home / 126,664.44-190,016.10-43,539

Finding the Fourth Proportional to 126,664.44, 190,016.10 and 43,539

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Solution

The fourth proportional to 126,664.44, 190,016.10 and 43,539 is: 65,315.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,664.44 : 190,016.10 = 43,539 : x
  2. Step 2: Convert to fraction form
    126,664.44/190,016.10 = 43,539/x
  3. Step 3: Cross multiply
    126,664.44x = 190,016.10 × 43,539
  4. Step 4: Simplify right side
    126,664.44x = 8,273,110,977.90
  5. Step 5: Solve for x
    x = 8,273,110,977.90/126,664.44
  6. Step 6: Final answer
    x = 65,315.18

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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.