Home / 214,606.97-321,968.01-74,365.59

Finding the Fourth Proportional to 214,606.97, 321,968.01 and 74,365.59

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Solution

The fourth proportional to 214,606.97, 321,968.01 and 74,365.59 is: 111,568.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,606.97 : 321,968.01 = 74,365.59 : x
  2. Step 2: Convert to fraction form
    214,606.97/321,968.01 = 74,365.59/x
  3. Step 3: Cross multiply
    214,606.97x = 321,968.01 × 74,365.59
  4. Step 4: Simplify right side
    214,606.97x = 23,943,342,511.03
  5. Step 5: Solve for x
    x = 23,943,342,511.03/214,606.97
  6. Step 6: Final answer
    x = 111,568.34

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1.5x scale

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.