Home / 214,308.25-321,533.83-142,544.07

Finding the Fourth Proportional to 214,308.25, 321,533.83 and 142,544.07

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Solution

The fourth proportional to 214,308.25, 321,533.83 and 142,544.07 is: 213,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,308.25 : 321,533.83 = 142,544.07 : x
  2. Step 2: Convert to fraction form
    214,308.25/321,533.83 = 142,544.07/x
  3. Step 3: Cross multiply
    214,308.25x = 321,533.83 × 142,544.07
  4. Step 4: Simplify right side
    214,308.25x = 45,832,741,735.08
  5. Step 5: Solve for x
    x = 45,832,741,735.08/214,308.25
  6. Step 6: Final answer
    x = 213,863.64

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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.