Home / 195,952.37-270,471.76-127,979.65

Finding the Fourth Proportional to 195,952.37, 270,471.76 and 127,979.65

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Solution

The fourth proportional to 195,952.37, 270,471.76 and 127,979.65 is: 176,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,952.37 : 270,471.76 = 127,979.65 : x
  2. Step 2: Convert to fraction form
    195,952.37/270,471.76 = 127,979.65/x
  3. Step 3: Cross multiply
    195,952.37x = 270,471.76 × 127,979.65
  4. Step 4: Simplify right side
    195,952.37x = 34,614,879,676.42
  5. Step 5: Solve for x
    x = 34,614,879,676.42/195,952.37
  6. Step 6: Final answer
    x = 176,649.46

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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.