Home / 129,672.45-194,430.92-50,692.59

Finding the Fourth Proportional to 129,672.45, 194,430.92 and 50,692.59

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Solution

The fourth proportional to 129,672.45, 194,430.92 and 50,692.59 is: 76,008.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,672.45 : 194,430.92 = 50,692.59 : x
  2. Step 2: Convert to fraction form
    129,672.45/194,430.92 = 50,692.59/x
  3. Step 3: Cross multiply
    129,672.45x = 194,430.92 × 50,692.59
  4. Step 4: Simplify right side
    129,672.45x = 9,856,206,657.42
  5. Step 5: Solve for x
    x = 9,856,206,657.42/129,672.45
  6. Step 6: Final answer
    x = 76,008.49

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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.