Home / 214,942.51-321,919.42-124,761.88

Finding the Fourth Proportional to 214,942.51, 321,919.42 and 124,761.88

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Solution

The fourth proportional to 214,942.51, 321,919.42 and 124,761.88 is: 186,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,942.51 : 321,919.42 = 124,761.88 : x
  2. Step 2: Convert to fraction form
    214,942.51/321,919.42 = 124,761.88/x
  3. Step 3: Cross multiply
    214,942.51x = 321,919.42 × 124,761.88
  4. Step 4: Simplify right side
    214,942.51x = 40,163,272,047.71
  5. Step 5: Solve for x
    x = 40,163,272,047.71/214,942.51
  6. Step 6: Final answer
    x = 186,855.88

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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.