Finding the Fourth Proportional to 160,954.12, 222,106.35 and 100,521.19
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Solution
The fourth proportional to 160,954.12, 222,106.35 and 100,521.19 is: 138,712.79
Step by Step Solution
- Step 1: Write the proportion equation
160,954.12 : 222,106.35 = 100,521.19 : x - Step 2: Convert to fraction form
160,954.12/222,106.35 = 100,521.19/x - Step 3: Cross multiply
160,954.12x = 222,106.35 × 100,521.19 - Step 4: Simplify right side
160,954.12x = 22,326,394,608.56 - Step 5: Solve for x
x = 22,326,394,608.56/160,954.12 - Step 6: Final answer
x = 138,712.79
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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.