Home / 214,033.66-321,071.69-79,133.11

Finding the Fourth Proportional to 214,033.66, 321,071.69 and 79,133.11

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Solution

The fourth proportional to 214,033.66, 321,071.69 and 79,133.11 is: 118,707.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,033.66 : 321,071.69 = 79,133.11 : x
  2. Step 2: Convert to fraction form
    214,033.66/321,071.69 = 79,133.11/x
  3. Step 3: Cross multiply
    214,033.66x = 321,071.69 × 79,133.11
  4. Step 4: Simplify right side
    214,033.66x = 25,407,400,757.81
  5. Step 5: Solve for x
    x = 25,407,400,757.81/214,033.66
  6. Step 6: Final answer
    x = 118,707.50

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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.