Home / 130,174.64-195,187.20-51,245.80

Finding the Fourth Proportional to 130,174.64, 195,187.20 and 51,245.80

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Solution

The fourth proportional to 130,174.64, 195,187.20 and 51,245.80 is: 76,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,174.64 : 195,187.20 = 51,245.80 : x
  2. Step 2: Convert to fraction form
    130,174.64/195,187.20 = 51,245.80/x
  3. Step 3: Cross multiply
    130,174.64x = 195,187.20 × 51,245.80
  4. Step 4: Simplify right side
    130,174.64x = 10,002,524,213.76
  5. Step 5: Solve for x
    x = 10,002,524,213.76/130,174.64
  6. Step 6: Final answer
    x = 76,839.27

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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.