Home / 214,268.28-321,429.87-72,052.62

Finding the Fourth Proportional to 214,268.28, 321,429.87 and 72,052.62

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Solution

The fourth proportional to 214,268.28, 321,429.87 and 72,052.62 is: 108,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,268.28 : 321,429.87 = 72,052.62 : x
  2. Step 2: Convert to fraction form
    214,268.28/321,429.87 = 72,052.62/x
  3. Step 3: Cross multiply
    214,268.28x = 321,429.87 × 72,052.62
  4. Step 4: Simplify right side
    214,268.28x = 23,159,864,279.76
  5. Step 5: Solve for x
    x = 23,159,864,279.76/214,268.28
  6. Step 6: Final answer
    x = 108,088.16

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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.