Home / 212,418.61-293,103.37-121,757.89

Finding the Fourth Proportional to 212,418.61, 293,103.37 and 121,757.89

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Solution

The fourth proportional to 212,418.61, 293,103.37 and 121,757.89 is: 168,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,418.61 : 293,103.37 = 121,757.89 : x
  2. Step 2: Convert to fraction form
    212,418.61/293,103.37 = 121,757.89/x
  3. Step 3: Cross multiply
    212,418.61x = 293,103.37 × 121,757.89
  4. Step 4: Simplify right side
    212,418.61x = 35,687,647,883.09
  5. Step 5: Solve for x
    x = 35,687,647,883.09/212,418.61
  6. Step 6: Final answer
    x = 168,006.22

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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.