Home / 126,819.41-190,247.80-38,080.06

Finding the Fourth Proportional to 126,819.41, 190,247.80 and 38,080.06

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Solution

The fourth proportional to 126,819.41, 190,247.80 and 38,080.06 is: 57,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,819.41 : 190,247.80 = 38,080.06 : x
  2. Step 2: Convert to fraction form
    126,819.41/190,247.80 = 38,080.06/x
  3. Step 3: Cross multiply
    126,819.41x = 190,247.80 × 38,080.06
  4. Step 4: Simplify right side
    126,819.41x = 7,244,648,257.10
  5. Step 5: Solve for x
    x = 7,244,648,257.10/126,819.41
  6. Step 6: Final answer
    x = 57,125.70

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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.