Finding the Fourth Proportional to 168,956.69, 232,777.87 and 138,694.07
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Solution
The fourth proportional to 168,956.69, 232,777.87 and 138,694.07 is: 191,083.95
Step by Step Solution
- Step 1: Write the proportion equation
168,956.69 : 232,777.87 = 138,694.07 : x - Step 2: Convert to fraction form
168,956.69/232,777.87 = 138,694.07/x - Step 3: Cross multiply
168,956.69x = 232,777.87 × 138,694.07 - Step 4: Simplify right side
168,956.69x = 32,284,910,431.44 - Step 5: Solve for x
x = 32,284,910,431.44/168,956.69 - Step 6: Final answer
x = 191,083.95
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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.