Home / 130,465.12-195,635.99-50,540.52

Finding the Fourth Proportional to 130,465.12, 195,635.99 and 50,540.52

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Solution

The fourth proportional to 130,465.12, 195,635.99 and 50,540.52 is: 75,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,465.12 : 195,635.99 = 50,540.52 : x
  2. Step 2: Convert to fraction form
    130,465.12/195,635.99 = 50,540.52/x
  3. Step 3: Cross multiply
    130,465.12x = 195,635.99 × 50,540.52
  4. Step 4: Simplify right side
    130,465.12x = 9,887,544,302.58
  5. Step 5: Solve for x
    x = 9,887,544,302.58/130,465.12
  6. Step 6: Final answer
    x = 75,786.88

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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.