Finding the Fourth Proportional to 106,517.16, 146,959.32 and 70,714.08
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Solution
The fourth proportional to 106,517.16, 146,959.32 and 70,714.08 is: 97,562.62
Step by Step Solution
- Step 1: Write the proportion equation
106,517.16 : 146,959.32 = 70,714.08 : x - Step 2: Convert to fraction form
106,517.16/146,959.32 = 70,714.08/x - Step 3: Cross multiply
106,517.16x = 146,959.32 × 70,714.08 - Step 4: Simplify right side
106,517.16x = 10,392,093,111.23 - Step 5: Solve for x
x = 10,392,093,111.23/106,517.16 - Step 6: Final answer
x = 97,562.62
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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.