Home / 211,824.25-292,343.39-122,400.25

Finding the Fourth Proportional to 211,824.25, 292,343.39 and 122,400.25

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Solution

The fourth proportional to 211,824.25, 292,343.39 and 122,400.25 is: 168,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,824.25 : 292,343.39 = 122,400.25 : x
  2. Step 2: Convert to fraction form
    211,824.25/292,343.39 = 122,400.25/x
  3. Step 3: Cross multiply
    211,824.25x = 292,343.39 × 122,400.25
  4. Step 4: Simplify right side
    211,824.25x = 35,782,904,021.85
  5. Step 5: Solve for x
    x = 35,782,904,021.85/211,824.25
  6. Step 6: Final answer
    x = 168,927.33

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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.