Finding the Fourth Proportional to 168,773.88, 232,905.70 and 96,181.09
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Solution
The fourth proportional to 168,773.88, 232,905.70 and 96,181.09 is: 132,728.62
Step by Step Solution
- Step 1: Write the proportion equation
168,773.88 : 232,905.70 = 96,181.09 : x - Step 2: Convert to fraction form
168,773.88/232,905.70 = 96,181.09/x - Step 3: Cross multiply
168,773.88x = 232,905.70 × 96,181.09 - Step 4: Simplify right side
168,773.88x = 22,401,124,093.21 - Step 5: Solve for x
x = 22,401,124,093.21/168,773.88 - Step 6: Final answer
x = 132,728.62
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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.