Home / 212,722.43-293,570.80-122,107.73

Finding the Fourth Proportional to 212,722.43, 293,570.80 and 122,107.73

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Solution

The fourth proportional to 212,722.43, 293,570.80 and 122,107.73 is: 168,516.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,722.43 : 293,570.80 = 122,107.73 : x
  2. Step 2: Convert to fraction form
    212,722.43/293,570.80 = 122,107.73/x
  3. Step 3: Cross multiply
    212,722.43x = 293,570.80 × 122,107.73
  4. Step 4: Simplify right side
    212,722.43x = 35,847,262,209.16
  5. Step 5: Solve for x
    x = 35,847,262,209.16/212,722.43
  6. Step 6: Final answer
    x = 168,516.61

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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.