Finding the Fourth Proportional to 132,090.18, 182,241.36 and 74,723.96
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Solution
The fourth proportional to 132,090.18, 182,241.36 and 74,723.96 is: 103,094.69
Step by Step Solution
- Step 1: Write the proportion equation
132,090.18 : 182,241.36 = 74,723.96 : x - Step 2: Convert to fraction form
132,090.18/182,241.36 = 74,723.96/x - Step 3: Cross multiply
132,090.18x = 182,241.36 × 74,723.96 - Step 4: Simplify right side
132,090.18x = 13,617,796,094.99 - Step 5: Solve for x
x = 13,617,796,094.99/132,090.18 - Step 6: Final answer
x = 103,094.69
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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.