Home / 103,619.35-155,511.05-40,469.73

Finding the Fourth Proportional to 103,619.35, 155,511.05 and 40,469.73

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Solution

The fourth proportional to 103,619.35, 155,511.05 and 40,469.73 is: 60,736.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,619.35 : 155,511.05 = 40,469.73 : x
  2. Step 2: Convert to fraction form
    103,619.35/155,511.05 = 40,469.73/x
  3. Step 3: Cross multiply
    103,619.35x = 155,511.05 × 40,469.73
  4. Step 4: Simplify right side
    103,619.35x = 6,293,490,205.52
  5. Step 5: Solve for x
    x = 6,293,490,205.52/103,619.35
  6. Step 6: Final answer
    x = 60,736.63

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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.