Home / 214,411.06-321,389.61-72,120.88

Finding the Fourth Proportional to 214,411.06, 321,389.61 and 72,120.88

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Solution

The fourth proportional to 214,411.06, 321,389.61 and 72,120.88 is: 108,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,411.06 : 321,389.61 = 72,120.88 : x
  2. Step 2: Convert to fraction form
    214,411.06/321,389.61 = 72,120.88/x
  3. Step 3: Cross multiply
    214,411.06x = 321,389.61 × 72,120.88
  4. Step 4: Simplify right side
    214,411.06x = 23,178,901,496.06
  5. Step 5: Solve for x
    x = 23,178,901,496.06/214,411.06
  6. Step 6: Final answer
    x = 108,104.97

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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.