Home / 195,922.90-270,370.60-109,881.87

Finding the Fourth Proportional to 195,922.90, 270,370.60 and 109,881.87

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Solution

The fourth proportional to 195,922.90, 270,370.60 and 109,881.87 is: 151,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,922.90 : 270,370.60 = 109,881.87 : x
  2. Step 2: Convert to fraction form
    195,922.90/270,370.60 = 109,881.87/x
  3. Step 3: Cross multiply
    195,922.90x = 270,370.60 × 109,881.87
  4. Step 4: Simplify right side
    195,922.90x = 29,708,827,121.02
  5. Step 5: Solve for x
    x = 29,708,827,121.02/195,922.90
  6. Step 6: Final answer
    x = 151,635.30

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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.