Home / 212,849.66-293,744.94-122,205.80

Finding the Fourth Proportional to 212,849.66, 293,744.94 and 122,205.80

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Solution

The fourth proportional to 212,849.66, 293,744.94 and 122,205.80 is: 168,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,849.66 : 293,744.94 = 122,205.80 : x
  2. Step 2: Convert to fraction form
    212,849.66/293,744.94 = 122,205.80/x
  3. Step 3: Cross multiply
    212,849.66x = 293,744.94 × 122,205.80
  4. Step 4: Simplify right side
    212,849.66x = 35,897,335,388.65
  5. Step 5: Solve for x
    x = 35,897,335,388.65/212,849.66
  6. Step 6: Final answer
    x = 168,651.13

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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.