Home / 129,775.37-194,722.99-50,910.53

Finding the Fourth Proportional to 129,775.37, 194,722.99 and 50,910.53

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Solution

The fourth proportional to 129,775.37, 194,722.99 and 50,910.53 is: 76,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,775.37 : 194,722.99 = 50,910.53 : x
  2. Step 2: Convert to fraction form
    129,775.37/194,722.99 = 50,910.53/x
  3. Step 3: Cross multiply
    129,775.37x = 194,722.99 × 50,910.53
  4. Step 4: Simplify right side
    129,775.37x = 9,913,449,523.19
  5. Step 5: Solve for x
    x = 9,913,449,523.19/129,775.37
  6. Step 6: Final answer
    x = 76,389.30

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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.