Home / 195,979.01-270,161.07-152,909.69

Finding the Fourth Proportional to 195,979.01, 270,161.07 and 152,909.69

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Solution

The fourth proportional to 195,979.01, 270,161.07 and 152,909.69 is: 210,789.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,979.01 : 270,161.07 = 152,909.69 : x
  2. Step 2: Convert to fraction form
    195,979.01/270,161.07 = 152,909.69/x
  3. Step 3: Cross multiply
    195,979.01x = 270,161.07 × 152,909.69
  4. Step 4: Simplify right side
    195,979.01x = 41,310,245,463.77
  5. Step 5: Solve for x
    x = 41,310,245,463.77/195,979.01
  6. Step 6: Final answer
    x = 210,789.13

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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.