Home / 160,201.78-221,058.66-88,583.20

Finding the Fourth Proportional to 160,201.78, 221,058.66 and 88,583.20

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Solution

The fourth proportional to 160,201.78, 221,058.66 and 88,583.20 is: 122,233.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,201.78 : 221,058.66 = 88,583.20 : x
  2. Step 2: Convert to fraction form
    160,201.78/221,058.66 = 88,583.20/x
  3. Step 3: Cross multiply
    160,201.78x = 221,058.66 × 88,583.20
  4. Step 4: Simplify right side
    160,201.78x = 19,582,083,490.51
  5. Step 5: Solve for x
    x = 19,582,083,490.51/160,201.78
  6. Step 6: Final answer
    x = 122,233.87

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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.