Finding the Fourth Proportional to 163,080.21, 225,028.93 and 90,481.93
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Solution
The fourth proportional to 163,080.21, 225,028.93 and 90,481.93 is: 124,852.99
Step by Step Solution
- Step 1: Write the proportion equation
163,080.21 : 225,028.93 = 90,481.93 : x - Step 2: Convert to fraction form
163,080.21/225,028.93 = 90,481.93/x - Step 3: Cross multiply
163,080.21x = 225,028.93 × 90,481.93 - Step 4: Simplify right side
163,080.21x = 20,361,051,892.23 - Step 5: Solve for x
x = 20,361,051,892.23/163,080.21 - Step 6: Final answer
x = 124,852.99
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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.