Home / 126,781.52-190,172.28-33,287.12

Finding the Fourth Proportional to 126,781.52, 190,172.28 and 33,287.12

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Solution

The fourth proportional to 126,781.52, 190,172.28 and 33,287.12 is: 49,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,781.52 : 190,172.28 = 33,287.12 : x
  2. Step 2: Convert to fraction form
    126,781.52/190,172.28 = 33,287.12/x
  3. Step 3: Cross multiply
    126,781.52x = 190,172.28 × 33,287.12
  4. Step 4: Simplify right side
    126,781.52x = 6,330,287,505.03
  5. Step 5: Solve for x
    x = 6,330,287,505.03/126,781.52
  6. Step 6: Final answer
    x = 49,930.68

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1.5x scale

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.