Finding the Fourth Proportional to 121,460.07, 167,614.09 and 67,015.05
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Solution
The fourth proportional to 121,460.07, 167,614.09 and 67,015.05 is: 92,480.32
Step by Step Solution
- Step 1: Write the proportion equation
121,460.07 : 167,614.09 = 67,015.05 : x - Step 2: Convert to fraction form
121,460.07/167,614.09 = 67,015.05/x - Step 3: Cross multiply
121,460.07x = 167,614.09 × 67,015.05 - Step 4: Simplify right side
121,460.07x = 11,232,666,202.92 - Step 5: Solve for x
x = 11,232,666,202.92/121,460.07 - Step 6: Final answer
x = 92,480.32
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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.