Finding the Fourth Proportional to 107,564.20, 161,151.90 and 95,122.60
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Solution
The fourth proportional to 107,564.20, 161,151.90 and 95,122.60 is: 142,511.99
Step by Step Solution
- Step 1: Write the proportion equation
107,564.20 : 161,151.90 = 95,122.60 : x - Step 2: Convert to fraction form
107,564.20/161,151.90 = 95,122.60/x - Step 3: Cross multiply
107,564.20x = 161,151.90 × 95,122.60 - Step 4: Simplify right side
107,564.20x = 15,329,187,722.94 - Step 5: Solve for x
x = 15,329,187,722.94/107,564.20 - Step 6: Final answer
x = 142,511.99
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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.