Home / 214,639.65-321,855.80-125,921.97

Finding the Fourth Proportional to 214,639.65, 321,855.80 and 125,921.97

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Solution

The fourth proportional to 214,639.65, 321,855.80 and 125,921.97 is: 188,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,639.65 : 321,855.80 = 125,921.97 : x
  2. Step 2: Convert to fraction form
    214,639.65/321,855.80 = 125,921.97/x
  3. Step 3: Cross multiply
    214,639.65x = 321,855.80 × 125,921.97
  4. Step 4: Simplify right side
    214,639.65x = 40,528,715,762.32
  5. Step 5: Solve for x
    x = 40,528,715,762.32/214,639.65
  6. Step 6: Final answer
    x = 188,822.13

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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.