Finding the Fourth Proportional to 188,110.96, 259,596.36 and 103,235.92
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Solution
The fourth proportional to 188,110.96, 259,596.36 and 103,235.92 is: 142,467.35
Step by Step Solution
- Step 1: Write the proportion equation
188,110.96 : 259,596.36 = 103,235.92 : x - Step 2: Convert to fraction form
188,110.96/259,596.36 = 103,235.92/x - Step 3: Cross multiply
188,110.96x = 259,596.36 × 103,235.92 - Step 4: Simplify right side
188,110.96x = 26,799,669,053.25 - Step 5: Solve for x
x = 26,799,669,053.25/188,110.96 - Step 6: Final answer
x = 142,467.35
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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.