Home / 213,725.29-321,169.52-113,955.97

Finding the Fourth Proportional to 213,725.29, 321,169.52 and 113,955.97

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Solution

The fourth proportional to 213,725.29, 321,169.52 and 113,955.97 is: 171,244.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,725.29 : 321,169.52 = 113,955.97 : x
  2. Step 2: Convert to fraction form
    213,725.29/321,169.52 = 113,955.97/x
  3. Step 3: Cross multiply
    213,725.29x = 321,169.52 × 113,955.97
  4. Step 4: Simplify right side
    213,725.29x = 36,599,184,186.03
  5. Step 5: Solve for x
    x = 36,599,184,186.03/213,725.29
  6. Step 6: Final answer
    x = 171,244.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.