Finding the Fourth Proportional to 147,029.38, 203,176.37 and 120,162.09
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Solution
The fourth proportional to 147,029.38, 203,176.37 and 120,162.09 is: 166,049.11
Step by Step Solution
- Step 1: Write the proportion equation
147,029.38 : 203,176.37 = 120,162.09 : x - Step 2: Convert to fraction form
147,029.38/203,176.37 = 120,162.09/x - Step 3: Cross multiply
147,029.38x = 203,176.37 × 120,162.09 - Step 4: Simplify right side
147,029.38x = 24,414,097,257.81 - Step 5: Solve for x
x = 24,414,097,257.81/147,029.38 - Step 6: Final answer
x = 166,049.11
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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.