Home / 210,791.24-290,920.06-118,929.39

Finding the Fourth Proportional to 210,791.24, 290,920.06 and 118,929.39

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Solution

The fourth proportional to 210,791.24, 290,920.06 and 118,929.39 is: 164,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,791.24 : 290,920.06 = 118,929.39 : x
  2. Step 2: Convert to fraction form
    210,791.24/290,920.06 = 118,929.39/x
  3. Step 3: Cross multiply
    210,791.24x = 290,920.06 × 118,929.39
  4. Step 4: Simplify right side
    210,791.24x = 34,598,944,481.51
  5. Step 5: Solve for x
    x = 34,598,944,481.51/210,791.24
  6. Step 6: Final answer
    x = 164,138.43

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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.