Finding the Fourth Proportional to 121,062.36, 167,066.37 and 67,347.75
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Solution
The fourth proportional to 121,062.36, 167,066.37 and 67,347.75 is: 92,940.07
Step by Step Solution
- Step 1: Write the proportion equation
121,062.36 : 167,066.37 = 67,347.75 : x - Step 2: Convert to fraction form
121,062.36/167,066.37 = 67,347.75/x - Step 3: Cross multiply
121,062.36x = 167,066.37 × 67,347.75 - Step 4: Simplify right side
121,062.36x = 11,251,544,120.17 - Step 5: Solve for x
x = 11,251,544,120.17/121,062.36 - Step 6: Final answer
x = 92,940.07
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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.