Home / 195,975.02-270,579.09-131,540.90

Finding the Fourth Proportional to 195,975.02, 270,579.09 and 131,540.90

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Solution

The fourth proportional to 195,975.02, 270,579.09 and 131,540.90 is: 181,616.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,975.02 : 270,579.09 = 131,540.90 : x
  2. Step 2: Convert to fraction form
    195,975.02/270,579.09 = 131,540.90/x
  3. Step 3: Cross multiply
    195,975.02x = 270,579.09 × 131,540.90
  4. Step 4: Simplify right side
    195,975.02x = 35,592,217,019.78
  5. Step 5: Solve for x
    x = 35,592,217,019.78/195,975.02
  6. Step 6: Final answer
    x = 181,616.09

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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.