Home / 213,034.78-293,997.38-122,419.17

Finding the Fourth Proportional to 213,034.78, 293,997.38 and 122,419.17

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Solution

The fourth proportional to 213,034.78, 293,997.38 and 122,419.17 is: 168,943.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,034.78 : 293,997.38 = 122,419.17 : x
  2. Step 2: Convert to fraction form
    213,034.78/293,997.38 = 122,419.17/x
  3. Step 3: Cross multiply
    213,034.78x = 293,997.38 × 122,419.17
  4. Step 4: Simplify right side
    213,034.78x = 35,990,915,318.29
  5. Step 5: Solve for x
    x = 35,990,915,318.29/213,034.78
  6. Step 6: Final answer
    x = 168,943.85

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1.5x scale

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.