Home / 214,266.44-321,467.58-128,970.72

Finding the Fourth Proportional to 214,266.44, 321,467.58 and 128,970.72

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Solution

The fourth proportional to 214,266.44, 321,467.58 and 128,970.72 is: 193,496.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,266.44 : 321,467.58 = 128,970.72 : x
  2. Step 2: Convert to fraction form
    214,266.44/321,467.58 = 128,970.72/x
  3. Step 3: Cross multiply
    214,266.44x = 321,467.58 × 128,970.72
  4. Step 4: Simplify right side
    214,266.44x = 41,459,905,249.26
  5. Step 5: Solve for x
    x = 41,459,905,249.26/214,266.44
  6. Step 6: Final answer
    x = 193,496.96

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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.