Home / 212,785.25-293,245.85-158,975.33

Finding the Fourth Proportional to 212,785.25, 293,245.85 and 158,975.33

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Solution

The fourth proportional to 212,785.25, 293,245.85 and 158,975.33 is: 219,088.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,785.25 : 293,245.85 = 158,975.33 : x
  2. Step 2: Convert to fraction form
    212,785.25/293,245.85 = 158,975.33/x
  3. Step 3: Cross multiply
    212,785.25x = 293,245.85 × 158,975.33
  4. Step 4: Simplify right side
    212,785.25x = 46,618,854,706.09
  5. Step 5: Solve for x
    x = 46,618,854,706.09/212,785.25
  6. Step 6: Final answer
    x = 219,088.76

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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.