Home / 126,720.44-190,146.18-55,692.91

Finding the Fourth Proportional to 126,720.44, 190,146.18 and 55,692.91

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Solution

The fourth proportional to 126,720.44, 190,146.18 and 55,692.91 is: 83,568.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,720.44 : 190,146.18 = 55,692.91 : x
  2. Step 2: Convert to fraction form
    126,720.44/190,146.18 = 55,692.91/x
  3. Step 3: Cross multiply
    126,720.44x = 190,146.18 × 55,692.91
  4. Step 4: Simplify right side
    126,720.44x = 10,589,794,089.58
  5. Step 5: Solve for x
    x = 10,589,794,089.58/126,720.44
  6. Step 6: Final answer
    x = 83,568.16

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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.