Finding the Fourth Proportional to 117,113.08, 161,575.68 and 66,119.44
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Solution
The fourth proportional to 117,113.08, 161,575.68 and 66,119.44 is: 91,222.03
Step by Step Solution
- Step 1: Write the proportion equation
117,113.08 : 161,575.68 = 66,119.44 : x - Step 2: Convert to fraction form
117,113.08/161,575.68 = 66,119.44/x - Step 3: Cross multiply
117,113.08x = 161,575.68 × 66,119.44 - Step 4: Simplify right side
117,113.08x = 10,683,293,479.22 - Step 5: Solve for x
x = 10,683,293,479.22/117,113.08 - Step 6: Final answer
x = 91,222.03
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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.