Home / 129,634.40-194,500.20-50,805.20

Finding the Fourth Proportional to 129,634.40, 194,500.20 and 50,805.20

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Solution

The fourth proportional to 129,634.40, 194,500.20 and 50,805.20 is: 76,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,634.40 : 194,500.20 = 50,805.20 : x
  2. Step 2: Convert to fraction form
    129,634.40/194,500.20 = 50,805.20/x
  3. Step 3: Cross multiply
    129,634.40x = 194,500.20 × 50,805.20
  4. Step 4: Simplify right side
    129,634.40x = 9,881,621,561.04
  5. Step 5: Solve for x
    x = 9,881,621,561.04/129,634.40
  6. Step 6: Final answer
    x = 76,226.85

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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.