Finding the Fourth Proportional to 137,831.30, 190,236.84 and 84,104.82
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Solution
The fourth proportional to 137,831.30, 190,236.84 and 84,104.82 is: 116,082.74
Step by Step Solution
- Step 1: Write the proportion equation
137,831.30 : 190,236.84 = 84,104.82 : x - Step 2: Convert to fraction form
137,831.30/190,236.84 = 84,104.82/x - Step 3: Cross multiply
137,831.30x = 190,236.84 × 84,104.82 - Step 4: Simplify right side
137,831.30x = 15,999,835,185.57 - Step 5: Solve for x
x = 15,999,835,185.57/137,831.30 - Step 6: Final answer
x = 116,082.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.