Finding the Fourth Proportional to 109,935.66, 151,714.94 and 64,612.99
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Solution
The fourth proportional to 109,935.66, 151,714.94 and 64,612.99 is: 89,168.12
Step by Step Solution
- Step 1: Write the proportion equation
109,935.66 : 151,714.94 = 64,612.99 : x - Step 2: Convert to fraction form
109,935.66/151,714.94 = 64,612.99/x - Step 3: Cross multiply
109,935.66x = 151,714.94 × 64,612.99 - Step 4: Simplify right side
109,935.66x = 9,802,755,901.07 - Step 5: Solve for x
x = 9,802,755,901.07/109,935.66 - Step 6: Final answer
x = 89,168.12
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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.