Home / 214,150.64-321,689.48-139,232.24

Finding the Fourth Proportional to 214,150.64, 321,689.48 and 139,232.24

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Solution

The fourth proportional to 214,150.64, 321,689.48 and 139,232.24 is: 209,149.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,150.64 : 321,689.48 = 139,232.24 : x
  2. Step 2: Convert to fraction form
    214,150.64/321,689.48 = 139,232.24/x
  3. Step 3: Cross multiply
    214,150.64x = 321,689.48 × 139,232.24
  4. Step 4: Simplify right side
    214,150.64x = 44,789,546,884.84
  5. Step 5: Solve for x
    x = 44,789,546,884.84/214,150.64
  6. Step 6: Final answer
    x = 209,149.72

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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.