Home / 213,078.09-294,037.77-122,370.10

Finding the Fourth Proportional to 213,078.09, 294,037.77 and 122,370.10

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Solution

The fourth proportional to 213,078.09, 294,037.77 and 122,370.10 is: 168,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,078.09 : 294,037.77 = 122,370.10 : x
  2. Step 2: Convert to fraction form
    213,078.09/294,037.77 = 122,370.10/x
  3. Step 3: Cross multiply
    213,078.09x = 294,037.77 × 122,370.10
  4. Step 4: Simplify right side
    213,078.09x = 35,981,431,318.68
  5. Step 5: Solve for x
    x = 35,981,431,318.68/213,078.09
  6. Step 6: Final answer
    x = 168,865.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.