Home / 212,843.21-293,480.75-159,037.61

Finding the Fourth Proportional to 212,843.21, 293,480.75 and 159,037.61

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Solution

The fourth proportional to 212,843.21, 293,480.75 and 159,037.61 is: 219,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,843.21 : 293,480.75 = 159,037.61 : x
  2. Step 2: Convert to fraction form
    212,843.21/293,480.75 = 159,037.61/x
  3. Step 3: Cross multiply
    212,843.21x = 293,480.75 × 159,037.61
  4. Step 4: Simplify right side
    212,843.21x = 46,674,475,991.20
  5. Step 5: Solve for x
    x = 46,674,475,991.20/212,843.21
  6. Step 6: Final answer
    x = 219,290.42

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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.