Home / 126,724-190,078.62-33,229.72

Finding the Fourth Proportional to 126,724, 190,078.62 and 33,229.72

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Solution

The fourth proportional to 126,724, 190,078.62 and 33,229.72 is: 49,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,724 : 190,078.62 = 33,229.72 : x
  2. Step 2: Convert to fraction form
    126,724/190,078.62 = 33,229.72/x
  3. Step 3: Cross multiply
    126,724x = 190,078.62 × 33,229.72
  4. Step 4: Simplify right side
    126,724x = 6,316,259,320.59
  5. Step 5: Solve for x
    x = 6,316,259,320.59/126,724
  6. Step 6: Final answer
    x = 49,842.64

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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.