Finding the Fourth Proportional to 107,936.21, 161,889.71 and 29,055.17
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Solution
The fourth proportional to 107,936.21, 161,889.71 and 29,055.17 is: 43,578.82
Step by Step Solution
- Step 1: Write the proportion equation
107,936.21 : 161,889.71 = 29,055.17 : x - Step 2: Convert to fraction form
107,936.21/161,889.71 = 29,055.17/x - Step 3: Cross multiply
107,936.21x = 161,889.71 × 29,055.17 - Step 4: Simplify right side
107,936.21x = 4,703,733,304.75 - Step 5: Solve for x
x = 4,703,733,304.75/107,936.21 - Step 6: Final answer
x = 43,578.82
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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.