Finding the Fourth Proportional to 121,076.05, 167,082.37 and 70,090.93
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Solution
The fourth proportional to 121,076.05, 167,082.37 and 70,090.93 is: 96,723.99
Step by Step Solution
- Step 1: Write the proportion equation
121,076.05 : 167,082.37 = 70,090.93 : x - Step 2: Convert to fraction form
121,076.05/167,082.37 = 70,090.93/x - Step 3: Cross multiply
121,076.05x = 167,082.37 × 70,090.93 - Step 4: Simplify right side
121,076.05x = 11,710,958,699.90 - Step 5: Solve for x
x = 11,710,958,699.90/121,076.05 - Step 6: Final answer
x = 96,723.99
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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.