Home / 213,650.10-294,804.38-122,988.54

Finding the Fourth Proportional to 213,650.10, 294,804.38 and 122,988.54

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Solution

The fourth proportional to 213,650.10, 294,804.38 and 122,988.54 is: 169,705.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,650.10 : 294,804.38 = 122,988.54 : x
  2. Step 2: Convert to fraction form
    213,650.10/294,804.38 = 122,988.54/x
  3. Step 3: Cross multiply
    213,650.10x = 294,804.38 × 122,988.54
  4. Step 4: Simplify right side
    213,650.10x = 36,257,561,002.98
  5. Step 5: Solve for x
    x = 36,257,561,002.98/213,650.10
  6. Step 6: Final answer
    x = 169,705.33

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Why These Related Problems?

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