Home / 212,626.91-293,404.94-121,990.34

Finding the Fourth Proportional to 212,626.91, 293,404.94 and 121,990.34

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Solution

The fourth proportional to 212,626.91, 293,404.94 and 121,990.34 is: 168,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,626.91 : 293,404.94 = 121,990.34 : x
  2. Step 2: Convert to fraction form
    212,626.91/293,404.94 = 121,990.34/x
  3. Step 3: Cross multiply
    212,626.91x = 293,404.94 × 121,990.34
  4. Step 4: Simplify right side
    212,626.91x = 35,792,568,388.28
  5. Step 5: Solve for x
    x = 35,792,568,388.28/212,626.91
  6. Step 6: Final answer
    x = 168,335.08

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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.