Home / 212,467.14-293,138.46-120,571.20

Finding the Fourth Proportional to 212,467.14, 293,138.46 and 120,571.20

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Solution

The fourth proportional to 212,467.14, 293,138.46 and 120,571.20 is: 166,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,467.14 : 293,138.46 = 120,571.20 : x
  2. Step 2: Convert to fraction form
    212,467.14/293,138.46 = 120,571.20/x
  3. Step 3: Cross multiply
    212,467.14x = 293,138.46 × 120,571.20
  4. Step 4: Simplify right side
    212,467.14x = 35,344,055,888.35
  5. Step 5: Solve for x
    x = 35,344,055,888.35/212,467.14
  6. Step 6: Final answer
    x = 166,350.69

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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.