Home / 212,901.26-293,790.38-122,193.41

Finding the Fourth Proportional to 212,901.26, 293,790.38 and 122,193.41

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Solution

The fourth proportional to 212,901.26, 293,790.38 and 122,193.41 is: 168,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,901.26 : 293,790.38 = 122,193.41 : x
  2. Step 2: Convert to fraction form
    212,901.26/293,790.38 = 122,193.41/x
  3. Step 3: Cross multiply
    212,901.26x = 293,790.38 × 122,193.41
  4. Step 4: Simplify right side
    212,901.26x = 35,899,246,277.48
  5. Step 5: Solve for x
    x = 35,899,246,277.48/212,901.26
  6. Step 6: Final answer
    x = 168,619.23

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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.