Home / 129,974.20-195,047.70-73,814.20

Finding the Fourth Proportional to 129,974.20, 195,047.70 and 73,814.20

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Solution

The fourth proportional to 129,974.20, 195,047.70 and 73,814.20 is: 110,770.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,974.20 : 195,047.70 = 73,814.20 : x
  2. Step 2: Convert to fraction form
    129,974.20/195,047.70 = 73,814.20/x
  3. Step 3: Cross multiply
    129,974.20x = 195,047.70 × 73,814.20
  4. Step 4: Simplify right side
    129,974.20x = 14,397,289,937.34
  5. Step 5: Solve for x
    x = 14,397,289,937.34/129,974.20
  6. Step 6: Final answer
    x = 110,770.37

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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.