Home / 214,321.33-321,416.36-148,186.45

Finding the Fourth Proportional to 214,321.33, 321,416.36 and 148,186.45

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Solution

The fourth proportional to 214,321.33, 321,416.36 and 148,186.45 is: 222,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,321.33 : 321,416.36 = 148,186.45 : x
  2. Step 2: Convert to fraction form
    214,321.33/321,416.36 = 148,186.45/x
  3. Step 3: Cross multiply
    214,321.33x = 321,416.36 × 148,186.45
  4. Step 4: Simplify right side
    214,321.33x = 47,629,547,012.31
  5. Step 5: Solve for x
    x = 47,629,547,012.31/214,321.33
  6. Step 6: Final answer
    x = 222,234.29

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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.