Finding the Fourth Proportional to 107,622.70, 161,434.05 and 88,595.80
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Solution
The fourth proportional to 107,622.70, 161,434.05 and 88,595.80 is: 132,893.70
Step by Step Solution
- Step 1: Write the proportion equation
107,622.70 : 161,434.05 = 88,595.80 : x - Step 2: Convert to fraction form
107,622.70/161,434.05 = 88,595.80/x - Step 3: Cross multiply
107,622.70x = 161,434.05 × 88,595.80 - Step 4: Simplify right side
107,622.70x = 14,302,378,806.99 - Step 5: Solve for x
x = 14,302,378,806.99/107,622.70 - Step 6: Final answer
x = 132,893.70
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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.