Home / 105,949.88-146,219.82-58,212.80

Finding the Fourth Proportional to 105,949.88, 146,219.82 and 58,212.80

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Solution

The fourth proportional to 105,949.88, 146,219.82 and 58,212.80 is: 80,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,949.88 : 146,219.82 = 58,212.80 : x
  2. Step 2: Convert to fraction form
    105,949.88/146,219.82 = 58,212.80/x
  3. Step 3: Cross multiply
    105,949.88x = 146,219.82 × 58,212.80
  4. Step 4: Simplify right side
    105,949.88x = 8,511,865,137.70
  5. Step 5: Solve for x
    x = 8,511,865,137.70/105,949.88
  6. Step 6: Final answer
    x = 80,338.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.