Home / 126,825.99-190,031.19-76,922.29

Finding the Fourth Proportional to 126,825.99, 190,031.19 and 76,922.29

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Solution

The fourth proportional to 126,825.99, 190,031.19 and 76,922.29 is: 115,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,825.99 : 190,031.19 = 76,922.29 : x
  2. Step 2: Convert to fraction form
    126,825.99/190,031.19 = 76,922.29/x
  3. Step 3: Cross multiply
    126,825.99x = 190,031.19 × 76,922.29
  4. Step 4: Simplify right side
    126,825.99x = 14,617,634,306.23
  5. Step 5: Solve for x
    x = 14,617,634,306.23/126,825.99
  6. Step 6: Final answer
    x = 115,257.40

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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.