Home / 130,105.64-195,224.04-51,276.44

Finding the Fourth Proportional to 130,105.64, 195,224.04 and 51,276.44

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Solution

The fourth proportional to 130,105.64, 195,224.04 and 51,276.44 is: 76,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,105.64 : 195,224.04 = 51,276.44 : x
  2. Step 2: Convert to fraction form
    130,105.64/195,224.04 = 51,276.44/x
  3. Step 3: Cross multiply
    130,105.64x = 195,224.04 × 51,276.44
  4. Step 4: Simplify right side
    130,105.64x = 10,010,393,773.62
  5. Step 5: Solve for x
    x = 10,010,393,773.62/130,105.64
  6. Step 6: Final answer
    x = 76,940.51

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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.