Home / 162,231.36-223,755.96-139,608.48

Finding the Fourth Proportional to 162,231.36, 223,755.96 and 139,608.48

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Solution

The fourth proportional to 162,231.36, 223,755.96 and 139,608.48 is: 192,553.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,231.36 : 223,755.96 = 139,608.48 : x
  2. Step 2: Convert to fraction form
    162,231.36/223,755.96 = 139,608.48/x
  3. Step 3: Cross multiply
    162,231.36x = 223,755.96 × 139,608.48
  4. Step 4: Simplify right side
    162,231.36x = 31,238,229,466.54
  5. Step 5: Solve for x
    x = 31,238,229,466.54/162,231.36
  6. Step 6: Final answer
    x = 192,553.58

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1.5x scale

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.