Home / 213,202.70-294,215.33-122,556.33

Finding the Fourth Proportional to 213,202.70, 294,215.33 and 122,556.33

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Solution

The fourth proportional to 213,202.70, 294,215.33 and 122,556.33 is: 169,125.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,202.70 : 294,215.33 = 122,556.33 : x
  2. Step 2: Convert to fraction form
    213,202.70/294,215.33 = 122,556.33/x
  3. Step 3: Cross multiply
    213,202.70x = 294,215.33 × 122,556.33
  4. Step 4: Simplify right side
    213,202.70x = 36,057,950,461.76
  5. Step 5: Solve for x
    x = 36,057,950,461.76/213,202.70
  6. Step 6: Final answer
    x = 169,125.21

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1.5x scale

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.