Home / 221,058.16-331,351.14-126,083.82

Finding the Fourth Proportional to 221,058.16, 331,351.14 and 126,083.82

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Solution

The fourth proportional to 221,058.16, 331,351.14 and 126,083.82 is: 188,991.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,058.16 : 331,351.14 = 126,083.82 : x
  2. Step 2: Convert to fraction form
    221,058.16/331,351.14 = 126,083.82/x
  3. Step 3: Cross multiply
    221,058.16x = 331,351.14 × 126,083.82
  4. Step 4: Simplify right side
    221,058.16x = 41,778,017,492.55
  5. Step 5: Solve for x
    x = 41,778,017,492.55/221,058.16
  6. Step 6: Final answer
    x = 188,991.07

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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.