Finding the Fourth Proportional to 117,097.12, 161,593.44 and 63,382.08
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Solution
The fourth proportional to 117,097.12, 161,593.44 and 63,382.08 is: 87,466.95
Step by Step Solution
- Step 1: Write the proportion equation
117,097.12 : 161,593.44 = 63,382.08 : x - Step 2: Convert to fraction form
117,097.12/161,593.44 = 63,382.08/x - Step 3: Cross multiply
117,097.12x = 161,593.44 × 63,382.08 - Step 4: Simplify right side
117,097.12x = 10,242,128,341.56 - Step 5: Solve for x
x = 10,242,128,341.56/117,097.12 - Step 6: Final answer
x = 87,466.95
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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.