Finding the Fourth Proportional to 107,995.22, 161,974.36 and 29,090.99
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Solution
The fourth proportional to 107,995.22, 161,974.36 and 29,090.99 is: 43,631.51
Step by Step Solution
- Step 1: Write the proportion equation
107,995.22 : 161,974.36 = 29,090.99 : x - Step 2: Convert to fraction form
107,995.22/161,974.36 = 29,090.99/x - Step 3: Cross multiply
107,995.22x = 161,974.36 × 29,090.99 - Step 4: Simplify right side
107,995.22x = 4,711,994,009.35 - Step 5: Solve for x
x = 4,711,994,009.35/107,995.22 - Step 6: Final answer
x = 43,631.51
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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.