Home / 126,777.07-190,205.40-76,234.29

Finding the Fourth Proportional to 126,777.07, 190,205.40 and 76,234.29

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Solution

The fourth proportional to 126,777.07, 190,205.40 and 76,234.29 is: 114,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,777.07 : 190,205.40 = 76,234.29 : x
  2. Step 2: Convert to fraction form
    126,777.07/190,205.40 = 76,234.29/x
  3. Step 3: Cross multiply
    126,777.07x = 190,205.40 × 76,234.29
  4. Step 4: Simplify right side
    126,777.07x = 14,500,172,290.97
  5. Step 5: Solve for x
    x = 14,500,172,290.97/126,777.07
  6. Step 6: Final answer
    x = 114,375.35

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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.