Home / 188,272.20-282,495.66-69,984.60

Finding the Fourth Proportional to 188,272.20, 282,495.66 and 69,984.60

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Solution

The fourth proportional to 188,272.20, 282,495.66 and 69,984.60 is: 105,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,272.20 : 282,495.66 = 69,984.60 : x
  2. Step 2: Convert to fraction form
    188,272.20/282,495.66 = 69,984.60/x
  3. Step 3: Cross multiply
    188,272.20x = 282,495.66 × 69,984.60
  4. Step 4: Simplify right side
    188,272.20x = 19,770,345,766.84
  5. Step 5: Solve for x
    x = 19,770,345,766.84/188,272.20
  6. Step 6: Final answer
    x = 105,009.37

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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.