Home / 195,860.42-270,272.13-110,990.78

Finding the Fourth Proportional to 195,860.42, 270,272.13 and 110,990.78

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Solution

The fourth proportional to 195,860.42, 270,272.13 and 110,990.78 is: 153,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,860.42 : 270,272.13 = 110,990.78 : x
  2. Step 2: Convert to fraction form
    195,860.42/270,272.13 = 110,990.78/x
  3. Step 3: Cross multiply
    195,860.42x = 270,272.13 × 110,990.78
  4. Step 4: Simplify right side
    195,860.42x = 29,997,714,520.96
  5. Step 5: Solve for x
    x = 29,997,714,520.96/195,860.42
  6. Step 6: Final answer
    x = 153,158.63

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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.