Home / 214,140.42-321,504.87-109,030.02

Finding the Fourth Proportional to 214,140.42, 321,504.87 and 109,030.02

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Solution

The fourth proportional to 214,140.42, 321,504.87 and 109,030.02 is: 163,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,140.42 : 321,504.87 = 109,030.02 : x
  2. Step 2: Convert to fraction form
    214,140.42/321,504.87 = 109,030.02/x
  3. Step 3: Cross multiply
    214,140.42x = 321,504.87 × 109,030.02
  4. Step 4: Simplify right side
    214,140.42x = 35,053,682,406.20
  5. Step 5: Solve for x
    x = 35,053,682,406.20/214,140.42
  6. Step 6: Final answer
    x = 163,694.84

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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.