Home / 198,042.37-297,058.62-57,802.21

Finding the Fourth Proportional to 198,042.37, 297,058.62 and 57,802.21

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Solution

The fourth proportional to 198,042.37, 297,058.62 and 57,802.21 is: 86,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,042.37 : 297,058.62 = 57,802.21 : x
  2. Step 2: Convert to fraction form
    198,042.37/297,058.62 = 57,802.21/x
  3. Step 3: Cross multiply
    198,042.37x = 297,058.62 × 57,802.21
  4. Step 4: Simplify right side
    198,042.37x = 17,170,644,446.54
  5. Step 5: Solve for x
    x = 17,170,644,446.54/198,042.37
  6. Step 6: Final answer
    x = 86,701.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.