Home / 83,425.88-125,137.76-20,246.54

Finding the Fourth Proportional to 83,425.88, 125,137.76 and 20,246.54

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Solution

The fourth proportional to 83,425.88, 125,137.76 and 20,246.54 is: 30,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,425.88 : 125,137.76 = 20,246.54 : x
  2. Step 2: Convert to fraction form
    83,425.88/125,137.76 = 20,246.54/x
  3. Step 3: Cross multiply
    83,425.88x = 125,137.76 × 20,246.54
  4. Step 4: Simplify right side
    83,425.88x = 2,533,606,663.35
  5. Step 5: Solve for x
    x = 2,533,606,663.35/83,425.88
  6. Step 6: Final answer
    x = 30,369.55

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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.