Home / 208,984.03-313,435.22-66,791.16

Finding the Fourth Proportional to 208,984.03, 313,435.22 and 66,791.16

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Solution

The fourth proportional to 208,984.03, 313,435.22 and 66,791.16 is: 100,173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,984.03 : 313,435.22 = 66,791.16 : x
  2. Step 2: Convert to fraction form
    208,984.03/313,435.22 = 66,791.16/x
  3. Step 3: Cross multiply
    208,984.03x = 313,435.22 × 66,791.16
  4. Step 4: Simplify right side
    208,984.03x = 20,934,702,095.63
  5. Step 5: Solve for x
    x = 20,934,702,095.63/208,984.03
  6. Step 6: Final answer
    x = 100,173.69

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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.