Home / 103,922.86-143,217.58-75,193.88

Finding the Fourth Proportional to 103,922.86, 143,217.58 and 75,193.88

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Solution

The fourth proportional to 103,922.86, 143,217.58 and 75,193.88 is: 103,625.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,922.86 : 143,217.58 = 75,193.88 : x
  2. Step 2: Convert to fraction form
    103,922.86/143,217.58 = 75,193.88/x
  3. Step 3: Cross multiply
    103,922.86x = 143,217.58 × 75,193.88
  4. Step 4: Simplify right side
    103,922.86x = 10,769,085,524.41
  5. Step 5: Solve for x
    x = 10,769,085,524.41/103,922.86
  6. Step 6: Final answer
    x = 103,625.76

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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.