Home / 213,035.38-293,998.20-122,419.73

Finding the Fourth Proportional to 213,035.38, 293,998.20 and 122,419.73

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Solution

The fourth proportional to 213,035.38, 293,998.20 and 122,419.73 is: 168,944.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,035.38 : 293,998.20 = 122,419.73 : x
  2. Step 2: Convert to fraction form
    213,035.38/293,998.20 = 122,419.73/x
  3. Step 3: Cross multiply
    213,035.38x = 293,998.20 × 122,419.73
  4. Step 4: Simplify right side
    213,035.38x = 35,991,180,264.49
  5. Step 5: Solve for x
    x = 35,991,180,264.49/213,035.38
  6. Step 6: Final answer
    x = 168,944.62

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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.