Home / 126,020.85-188,937.36-54,929.98

Finding the Fourth Proportional to 126,020.85, 188,937.36 and 54,929.98

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Solution

The fourth proportional to 126,020.85, 188,937.36 and 54,929.98 is: 82,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,020.85 : 188,937.36 = 54,929.98 : x
  2. Step 2: Convert to fraction form
    126,020.85/188,937.36 = 54,929.98/x
  3. Step 3: Cross multiply
    126,020.85x = 188,937.36 × 54,929.98
  4. Step 4: Simplify right side
    126,020.85x = 10,378,325,642.22
  5. Step 5: Solve for x
    x = 10,378,325,642.22/126,020.85
  6. Step 6: Final answer
    x = 82,354.04

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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.