Home / 188,738.27-283,107.40-68,804.21

Finding the Fourth Proportional to 188,738.27, 283,107.40 and 68,804.21

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Solution

The fourth proportional to 188,738.27, 283,107.40 and 68,804.21 is: 103,206.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,738.27 : 283,107.40 = 68,804.21 : x
  2. Step 2: Convert to fraction form
    188,738.27/283,107.40 = 68,804.21/x
  3. Step 3: Cross multiply
    188,738.27x = 283,107.40 × 68,804.21
  4. Step 4: Simplify right side
    188,738.27x = 19,478,980,830.14
  5. Step 5: Solve for x
    x = 19,478,980,830.14/188,738.27
  6. Step 6: Final answer
    x = 103,206.32

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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.