Finding the Fourth Proportional to 117,226.66, 161,772.56 and 63,513.13
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Solution
The fourth proportional to 117,226.66, 161,772.56 and 63,513.13 is: 87,647.99
Step by Step Solution
- Step 1: Write the proportion equation
117,226.66 : 161,772.56 = 63,513.13 : x - Step 2: Convert to fraction form
117,226.66/161,772.56 = 63,513.13/x - Step 3: Cross multiply
117,226.66x = 161,772.56 × 63,513.13 - Step 4: Simplify right side
117,226.66x = 10,274,681,633.71 - Step 5: Solve for x
x = 10,274,681,633.71/117,226.66 - Step 6: Final answer
x = 87,647.99
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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.