Home / 126,958.44-190,399.32-38,188.38

Finding the Fourth Proportional to 126,958.44, 190,399.32 and 38,188.38

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Solution

The fourth proportional to 126,958.44, 190,399.32 and 38,188.38 is: 57,271.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,958.44 : 190,399.32 = 38,188.38 : x
  2. Step 2: Convert to fraction form
    126,958.44/190,399.32 = 38,188.38/x
  3. Step 3: Cross multiply
    126,958.44x = 190,399.32 × 38,188.38
  4. Step 4: Simplify right side
    126,958.44x = 7,271,041,583.90
  5. Step 5: Solve for x
    x = 7,271,041,583.90/126,958.44
  6. Step 6: Final answer
    x = 57,271.04

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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.