Home / 214,890.90-321,893.37-125,874.53

Finding the Fourth Proportional to 214,890.90, 321,893.37 and 125,874.53

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Solution

The fourth proportional to 214,890.90, 321,893.37 and 125,874.53 is: 188,552.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,890.90 : 321,893.37 = 125,874.53 : x
  2. Step 2: Convert to fraction form
    214,890.90/321,893.37 = 125,874.53/x
  3. Step 3: Cross multiply
    214,890.90x = 321,893.37 × 125,874.53
  4. Step 4: Simplify right side
    214,890.90x = 40,518,177,463.60
  5. Step 5: Solve for x
    x = 40,518,177,463.60/214,890.90
  6. Step 6: Final answer
    x = 188,552.32

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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.