Home / 126,968.80-190,466.16-43,852

Finding the Fourth Proportional to 126,968.80, 190,466.16 and 43,852

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Solution

The fourth proportional to 126,968.80, 190,466.16 and 43,852 is: 65,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,968.80 : 190,466.16 = 43,852 : x
  2. Step 2: Convert to fraction form
    126,968.80/190,466.16 = 43,852/x
  3. Step 3: Cross multiply
    126,968.80x = 190,466.16 × 43,852
  4. Step 4: Simplify right side
    126,968.80x = 8,352,322,048.32
  5. Step 5: Solve for x
    x = 8,352,322,048.32/126,968.80
  6. Step 6: Final answer
    x = 65,782.48

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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.