Home / 214,640.90-321,857.64-125,923.22

Finding the Fourth Proportional to 214,640.90, 321,857.64 and 125,923.22

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Solution

The fourth proportional to 214,640.90, 321,857.64 and 125,923.22 is: 188,823.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,640.90 : 321,857.64 = 125,923.22 : x
  2. Step 2: Convert to fraction form
    214,640.90/321,857.64 = 125,923.22/x
  3. Step 3: Cross multiply
    214,640.90x = 321,857.64 × 125,923.22
  4. Step 4: Simplify right side
    214,640.90x = 40,529,350,410.40
  5. Step 5: Solve for x
    x = 40,529,350,410.40/214,640.90
  6. Step 6: Final answer
    x = 188,823.99

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1.5x scale

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.