Home / 84,404.15-126,620.40-25,245.80

Finding the Fourth Proportional to 84,404.15, 126,620.40 and 25,245.80

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Solution

The fourth proportional to 84,404.15, 126,620.40 and 25,245.80 is: 37,872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,404.15 : 126,620.40 = 25,245.80 : x
  2. Step 2: Convert to fraction form
    84,404.15/126,620.40 = 25,245.80/x
  3. Step 3: Cross multiply
    84,404.15x = 126,620.40 × 25,245.80
  4. Step 4: Simplify right side
    84,404.15x = 3,196,633,294.32
  5. Step 5: Solve for x
    x = 3,196,633,294.32/84,404.15
  6. Step 6: Final answer
    x = 37,872.94

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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.