Home / 129,212.10-193,674.15-50,300.10

Finding the Fourth Proportional to 129,212.10, 193,674.15 and 50,300.10

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Solution

The fourth proportional to 129,212.10, 193,674.15 and 50,300.10 is: 75,394.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,212.10 : 193,674.15 = 50,300.10 : x
  2. Step 2: Convert to fraction form
    129,212.10/193,674.15 = 50,300.10/x
  3. Step 3: Cross multiply
    129,212.10x = 193,674.15 × 50,300.10
  4. Step 4: Simplify right side
    129,212.10x = 9,741,829,112.42
  5. Step 5: Solve for x
    x = 9,741,829,112.42/129,212.10
  6. Step 6: Final answer
    x = 75,394.09

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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.