Home / 126,757.54-190,124.97-38,030.86

Finding the Fourth Proportional to 126,757.54, 190,124.97 and 38,030.86

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Solution

The fourth proportional to 126,757.54, 190,124.97 and 38,030.86 is: 57,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,757.54 : 190,124.97 = 38,030.86 : x
  2. Step 2: Convert to fraction form
    126,757.54/190,124.97 = 38,030.86/x
  3. Step 3: Cross multiply
    126,757.54x = 190,124.97 × 38,030.86
  4. Step 4: Simplify right side
    126,757.54x = 7,230,616,116.57
  5. Step 5: Solve for x
    x = 7,230,616,116.57/126,757.54
  6. Step 6: Final answer
    x = 57,042.89

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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.