Home / 214,890.66-321,893.06-125,874.29

Finding the Fourth Proportional to 214,890.66, 321,893.06 and 125,874.29

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Solution

The fourth proportional to 214,890.66, 321,893.06 and 125,874.29 is: 188,551.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,890.66 : 321,893.06 = 125,874.29 : x
  2. Step 2: Convert to fraction form
    214,890.66/321,893.06 = 125,874.29/x
  3. Step 3: Cross multiply
    214,890.66x = 321,893.06 × 125,874.29
  4. Step 4: Simplify right side
    214,890.66x = 40,518,058,144.59
  5. Step 5: Solve for x
    x = 40,518,058,144.59/214,890.66
  6. Step 6: Final answer
    x = 188,551.98

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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.