Home / 210,537.39-290,542.34-115,044.09

Finding the Fourth Proportional to 210,537.39, 290,542.34 and 115,044.09

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Solution

The fourth proportional to 210,537.39, 290,542.34 and 115,044.09 is: 158,761.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,537.39 : 290,542.34 = 115,044.09 : x
  2. Step 2: Convert to fraction form
    210,537.39/290,542.34 = 115,044.09/x
  3. Step 3: Cross multiply
    210,537.39x = 290,542.34 × 115,044.09
  4. Step 4: Simplify right side
    210,537.39x = 33,425,178,309.85
  5. Step 5: Solve for x
    x = 33,425,178,309.85/210,537.39
  6. Step 6: Final answer
    x = 158,761.24

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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.