Finding the Fourth Proportional to 124,872.36, 172,324.62 and 68,283.96
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Solution
The fourth proportional to 124,872.36, 172,324.62 and 68,283.96 is: 94,232.28
Step by Step Solution
- Step 1: Write the proportion equation
124,872.36 : 172,324.62 = 68,283.96 : x - Step 2: Convert to fraction form
124,872.36/172,324.62 = 68,283.96/x - Step 3: Cross multiply
124,872.36x = 172,324.62 × 68,283.96 - Step 4: Simplify right side
124,872.36x = 11,767,007,459.10 - Step 5: Solve for x
x = 11,767,007,459.10/124,872.36 - Step 6: Final answer
x = 94,232.28
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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.