Home / 129,655.75-194,516.45-36,161.50

Finding the Fourth Proportional to 129,655.75, 194,516.45 and 36,161.50

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Solution

The fourth proportional to 129,655.75, 194,516.45 and 36,161.50 is: 54,251.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,655.75 : 194,516.45 = 36,161.50 : x
  2. Step 2: Convert to fraction form
    129,655.75/194,516.45 = 36,161.50/x
  3. Step 3: Cross multiply
    129,655.75x = 194,516.45 × 36,161.50
  4. Step 4: Simplify right side
    129,655.75x = 7,034,006,606.68
  5. Step 5: Solve for x
    x = 7,034,006,606.68/129,655.75
  6. Step 6: Final answer
    x = 54,251.41

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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.