Home / 195,772.10-270,101.24-109,718.50

Finding the Fourth Proportional to 195,772.10, 270,101.24 and 109,718.50

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Solution

The fourth proportional to 195,772.10, 270,101.24 and 109,718.50 is: 151,375.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,772.10 : 270,101.24 = 109,718.50 : x
  2. Step 2: Convert to fraction form
    195,772.10/270,101.24 = 109,718.50/x
  3. Step 3: Cross multiply
    195,772.10x = 270,101.24 × 109,718.50
  4. Step 4: Simplify right side
    195,772.10x = 29,635,102,900.94
  5. Step 5: Solve for x
    x = 29,635,102,900.94/195,772.10
  6. Step 6: Final answer
    x = 151,375.52

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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.