Home / 126,927.40-190,318.20-38,167.60

Finding the Fourth Proportional to 126,927.40, 190,318.20 and 38,167.60

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Solution

The fourth proportional to 126,927.40, 190,318.20 and 38,167.60 is: 57,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,927.40 : 190,318.20 = 38,167.60 : x
  2. Step 2: Convert to fraction form
    126,927.40/190,318.20 = 38,167.60/x
  3. Step 3: Cross multiply
    126,927.40x = 190,318.20 × 38,167.60
  4. Step 4: Simplify right side
    126,927.40x = 7,263,988,930.32
  5. Step 5: Solve for x
    x = 7,263,988,930.32/126,927.40
  6. Step 6: Final answer
    x = 57,229.48

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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.