Finding the Fourth Proportional to 144,893.24, 199,950.90 and 81,229.70
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Solution
The fourth proportional to 144,893.24, 199,950.90 and 81,229.70 is: 112,095.99
Step by Step Solution
- Step 1: Write the proportion equation
144,893.24 : 199,950.90 = 81,229.70 : x - Step 2: Convert to fraction form
144,893.24/199,950.90 = 81,229.70/x - Step 3: Cross multiply
144,893.24x = 199,950.90 × 81,229.70 - Step 4: Simplify right side
144,893.24x = 16,241,951,621.73 - Step 5: Solve for x
x = 16,241,951,621.73/144,893.24 - Step 6: Final answer
x = 112,095.99
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1.5x scale
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.