Finding the Fourth Proportional to 117,374.49, 161,951.86 and 69,643.35
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Solution
The fourth proportional to 117,374.49, 161,951.86 and 69,643.35 is: 96,093.03
Step by Step Solution
- Step 1: Write the proportion equation
117,374.49 : 161,951.86 = 69,643.35 : x - Step 2: Convert to fraction form
117,374.49/161,951.86 = 69,643.35/x - Step 3: Cross multiply
117,374.49x = 161,951.86 × 69,643.35 - Step 4: Simplify right side
117,374.49x = 11,278,870,069.13 - Step 5: Solve for x
x = 11,278,870,069.13/117,374.49 - Step 6: Final answer
x = 96,093.03
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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.