Home / 129,793.50-194,711.31-50,864.94

Finding the Fourth Proportional to 129,793.50, 194,711.31 and 50,864.94

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Solution

The fourth proportional to 129,793.50, 194,711.31 and 50,864.94 is: 76,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,793.50 : 194,711.31 = 50,864.94 : x
  2. Step 2: Convert to fraction form
    129,793.50/194,711.31 = 50,864.94/x
  3. Step 3: Cross multiply
    129,793.50x = 194,711.31 × 50,864.94
  4. Step 4: Simplify right side
    129,793.50x = 9,903,979,100.47
  5. Step 5: Solve for x
    x = 9,903,979,100.47/129,793.50
  6. Step 6: Final answer
    x = 76,305.66

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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.