Home / 222,406.10-333,609.15-82,135.70

Finding the Fourth Proportional to 222,406.10, 333,609.15 and 82,135.70

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Solution

The fourth proportional to 222,406.10, 333,609.15 and 82,135.70 is: 123,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,406.10 : 333,609.15 = 82,135.70 : x
  2. Step 2: Convert to fraction form
    222,406.10/333,609.15 = 82,135.70/x
  3. Step 3: Cross multiply
    222,406.10x = 333,609.15 × 82,135.70
  4. Step 4: Simplify right side
    222,406.10x = 27,401,221,061.66
  5. Step 5: Solve for x
    x = 27,401,221,061.66/222,406.10
  6. Step 6: Final answer
    x = 123,203.55

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1.5x scale

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.