Home / 195,656.72-270,120.84-141,890

Finding the Fourth Proportional to 195,656.72, 270,120.84 and 141,890

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Solution

The fourth proportional to 195,656.72, 270,120.84 and 141,890 is: 195,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,656.72 : 270,120.84 = 141,890 : x
  2. Step 2: Convert to fraction form
    195,656.72/270,120.84 = 141,890/x
  3. Step 3: Cross multiply
    195,656.72x = 270,120.84 × 141,890
  4. Step 4: Simplify right side
    195,656.72x = 38,327,445,987.60
  5. Step 5: Solve for x
    x = 38,327,445,987.60/195,656.72
  6. Step 6: Final answer
    x = 195,891.28

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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.