Finding the Fourth Proportional to 106,913.03, 160,405.17 and 35,842.70
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Solution
The fourth proportional to 106,913.03, 160,405.17 and 35,842.70 is: 53,775.99
Step by Step Solution
- Step 1: Write the proportion equation
106,913.03 : 160,405.17 = 35,842.70 : x - Step 2: Convert to fraction form
106,913.03/160,405.17 = 35,842.70/x - Step 3: Cross multiply
106,913.03x = 160,405.17 × 35,842.70 - Step 4: Simplify right side
106,913.03x = 5,749,353,584.73 - Step 5: Solve for x
x = 5,749,353,584.73/106,913.03 - Step 6: Final answer
x = 53,775.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.