Home / 195,733.28-270,099.14-115,145.24

Finding the Fourth Proportional to 195,733.28, 270,099.14 and 115,145.24

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Solution

The fourth proportional to 195,733.28, 270,099.14 and 115,145.24 is: 158,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,733.28 : 270,099.14 = 115,145.24 : x
  2. Step 2: Convert to fraction form
    195,733.28/270,099.14 = 115,145.24/x
  3. Step 3: Cross multiply
    195,733.28x = 270,099.14 × 115,145.24
  4. Step 4: Simplify right side
    195,733.28x = 31,100,629,020.56
  5. Step 5: Solve for x
    x = 31,100,629,020.56/195,733.28
  6. Step 6: Final answer
    x = 158,892.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.