Home / 151,071.26-208,479.73-82,161.37

Finding the Fourth Proportional to 151,071.26, 208,479.73 and 82,161.37

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Solution

The fourth proportional to 151,071.26, 208,479.73 and 82,161.37 is: 113,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,071.26 : 208,479.73 = 82,161.37 : x
  2. Step 2: Convert to fraction form
    151,071.26/208,479.73 = 82,161.37/x
  3. Step 3: Cross multiply
    151,071.26x = 208,479.73 × 82,161.37
  4. Step 4: Simplify right side
    151,071.26x = 17,128,979,191.63
  5. Step 5: Solve for x
    x = 17,128,979,191.63/151,071.26
  6. Step 6: Final answer
    x = 113,383.44

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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.