Home / 126,726-190,081.62-33,231.72

Finding the Fourth Proportional to 126,726, 190,081.62 and 33,231.72

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Solution

The fourth proportional to 126,726, 190,081.62 and 33,231.72 is: 49,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,726 : 190,081.62 = 33,231.72 : x
  2. Step 2: Convert to fraction form
    126,726/190,081.62 = 33,231.72/x
  3. Step 3: Cross multiply
    126,726x = 190,081.62 × 33,231.72
  4. Step 4: Simplify right side
    126,726x = 6,316,739,172.99
  5. Step 5: Solve for x
    x = 6,316,739,172.99/126,726
  6. Step 6: Final answer
    x = 49,845.64

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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.