Home / 214,011.04-321,065.20-114,118.56

Finding the Fourth Proportional to 214,011.04, 321,065.20 and 114,118.56

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Solution

The fourth proportional to 214,011.04, 321,065.20 and 114,118.56 is: 171,203.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,011.04 : 321,065.20 = 114,118.56 : x
  2. Step 2: Convert to fraction form
    214,011.04/321,065.20 = 114,118.56/x
  3. Step 3: Cross multiply
    214,011.04x = 321,065.20 × 114,118.56
  4. Step 4: Simplify right side
    214,011.04x = 36,639,498,290.11
  5. Step 5: Solve for x
    x = 36,639,498,290.11/214,011.04
  6. Step 6: Final answer
    x = 171,203.78

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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.