Finding the Fourth Proportional to 118,548.24, 163,656.04 and 91,629.96
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Solution
The fourth proportional to 118,548.24, 163,656.04 and 91,629.96 is: 126,495.31
Step by Step Solution
- Step 1: Write the proportion equation
118,548.24 : 163,656.04 = 91,629.96 : x - Step 2: Convert to fraction form
118,548.24/163,656.04 = 91,629.96/x - Step 3: Cross multiply
118,548.24x = 163,656.04 × 91,629.96 - Step 4: Simplify right side
118,548.24x = 14,995,796,398.96 - Step 5: Solve for x
x = 14,995,796,398.96/118,548.24 - Step 6: Final answer
x = 126,495.31
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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.