Home / 212,600.82-293,401.74-121,956.12

Finding the Fourth Proportional to 212,600.82, 293,401.74 and 121,956.12

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Solution

The fourth proportional to 212,600.82, 293,401.74 and 121,956.12 is: 168,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,600.82 : 293,401.74 = 121,956.12 : x
  2. Step 2: Convert to fraction form
    212,600.82/293,401.74 = 121,956.12/x
  3. Step 3: Cross multiply
    212,600.82x = 293,401.74 × 121,956.12
  4. Step 4: Simplify right side
    212,600.82x = 35,782,137,811.65
  5. Step 5: Solve for x
    x = 35,782,137,811.65/212,600.82
  6. Step 6: Final answer
    x = 168,306.68

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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.