Finding the Fourth Proportional to 136,584.63, 188,517.04 and 88,754.94
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Solution
The fourth proportional to 136,584.63, 188,517.04 and 88,754.94 is: 122,501.47
Step by Step Solution
- Step 1: Write the proportion equation
136,584.63 : 188,517.04 = 88,754.94 : x - Step 2: Convert to fraction form
136,584.63/188,517.04 = 88,754.94/x - Step 3: Cross multiply
136,584.63x = 188,517.04 × 88,754.94 - Step 4: Simplify right side
136,584.63x = 16,731,818,352.29 - Step 5: Solve for x
x = 16,731,818,352.29/136,584.63 - Step 6: Final answer
x = 122,501.47
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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.