Finding the Fourth Proportional to 159,096.06, 219,553.39 and 87,480.70
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Solution
The fourth proportional to 159,096.06, 219,553.39 and 87,480.70 is: 120,723.82
Step by Step Solution
- Step 1: Write the proportion equation
159,096.06 : 219,553.39 = 87,480.70 : x - Step 2: Convert to fraction form
159,096.06/219,553.39 = 87,480.70/x - Step 3: Cross multiply
159,096.06x = 219,553.39 × 87,480.70 - Step 4: Simplify right side
159,096.06x = 19,206,684,244.57 - Step 5: Solve for x
x = 19,206,684,244.57/159,096.06 - Step 6: Final answer
x = 120,723.82
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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.