Finding the Fourth Proportional to 136,113.09, 203,992.25 and 69,497.07
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Solution
The fourth proportional to 136,113.09, 203,992.25 and 69,497.07 is: 104,155.03
Step by Step Solution
- Step 1: Write the proportion equation
136,113.09 : 203,992.25 = 69,497.07 : x - Step 2: Convert to fraction form
136,113.09/203,992.25 = 69,497.07/x - Step 3: Cross multiply
136,113.09x = 203,992.25 × 69,497.07 - Step 4: Simplify right side
136,113.09x = 14,176,863,330.22 - Step 5: Solve for x
x = 14,176,863,330.22/136,113.09 - Step 6: Final answer
x = 104,155.03
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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.