Finding the Fourth Proportional to 159,517.06, 220,123.64 and 87,893.08
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Solution
The fourth proportional to 159,517.06, 220,123.64 and 87,893.08 is: 121,286.99
Step by Step Solution
- Step 1: Write the proportion equation
159,517.06 : 220,123.64 = 87,893.08 : x - Step 2: Convert to fraction form
159,517.06/220,123.64 = 87,893.08/x - Step 3: Cross multiply
159,517.06x = 220,123.64 × 87,893.08 - Step 4: Simplify right side
159,517.06x = 19,347,344,700.41 - Step 5: Solve for x
x = 19,347,344,700.41/159,517.06 - Step 6: Final answer
x = 121,286.99
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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.