Home / 130,464.78-195,635.47-50,540.18

Finding the Fourth Proportional to 130,464.78, 195,635.47 and 50,540.18

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Solution

The fourth proportional to 130,464.78, 195,635.47 and 50,540.18 is: 75,786.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,464.78 : 195,635.47 = 50,540.18 : x
  2. Step 2: Convert to fraction form
    130,464.78/195,635.47 = 50,540.18/x
  3. Step 3: Cross multiply
    130,464.78x = 195,635.47 × 50,540.18
  4. Step 4: Simplify right side
    130,464.78x = 9,887,451,868.18
  5. Step 5: Solve for x
    x = 9,887,451,868.18/130,464.78
  6. Step 6: Final answer
    x = 75,786.37

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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.