Home / 210,119.01-291,190.94-206,131.65

Finding the Fourth Proportional to 210,119.01, 291,190.94 and 206,131.65

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Solution

The fourth proportional to 210,119.01, 291,190.94 and 206,131.65 is: 285,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,119.01 : 291,190.94 = 206,131.65 : x
  2. Step 2: Convert to fraction form
    210,119.01/291,190.94 = 206,131.65/x
  3. Step 3: Cross multiply
    210,119.01x = 291,190.94 × 206,131.65
  4. Step 4: Simplify right side
    210,119.01x = 60,023,667,896.59
  5. Step 5: Solve for x
    x = 60,023,667,896.59/210,119.01
  6. Step 6: Final answer
    x = 285,665.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.