Home / 212,891.13-293,776.34-122,183.25

Finding the Fourth Proportional to 212,891.13, 293,776.34 and 122,183.25

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Solution

The fourth proportional to 212,891.13, 293,776.34 and 122,183.25 is: 168,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,891.13 : 293,776.34 = 122,183.25 : x
  2. Step 2: Convert to fraction form
    212,891.13/293,776.34 = 122,183.25/x
  3. Step 3: Cross multiply
    212,891.13x = 293,776.34 × 122,183.25
  4. Step 4: Simplify right side
    212,891.13x = 35,894,548,299.76
  5. Step 5: Solve for x
    x = 35,894,548,299.76/212,891.13
  6. Step 6: Final answer
    x = 168,605.19

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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.