Finding the Fourth Proportional to 179,091.68, 247,124.01 and 121,074.58
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Solution
The fourth proportional to 179,091.68, 247,124.01 and 121,074.58 is: 167,067.70
Step by Step Solution
- Step 1: Write the proportion equation
179,091.68 : 247,124.01 = 121,074.58 : x - Step 2: Convert to fraction form
179,091.68/247,124.01 = 121,074.58/x - Step 3: Cross multiply
179,091.68x = 247,124.01 × 121,074.58 - Step 4: Simplify right side
179,091.68x = 29,920,434,646.83 - Step 5: Solve for x
x = 29,920,434,646.83/179,091.68 - Step 6: Final answer
x = 167,067.70
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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.