Home / 214,041.72-321,066.18-80,984.64

Finding the Fourth Proportional to 214,041.72, 321,066.18 and 80,984.64

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Solution

The fourth proportional to 214,041.72, 321,066.18 and 80,984.64 is: 121,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,041.72 : 321,066.18 = 80,984.64 : x
  2. Step 2: Convert to fraction form
    214,041.72/321,066.18 = 80,984.64/x
  3. Step 3: Cross multiply
    214,041.72x = 321,066.18 × 80,984.64
  4. Step 4: Simplify right side
    214,041.72x = 26,001,429,003.48
  5. Step 5: Solve for x
    x = 26,001,429,003.48/214,041.72
  6. Step 6: Final answer
    x = 121,478.32

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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.