Finding the Fourth Proportional to 133,620.14, 184,268.58 and 79,896.62
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Solution
The fourth proportional to 133,620.14, 184,268.58 and 79,896.62 is: 110,181.27
Step by Step Solution
- Step 1: Write the proportion equation
133,620.14 : 184,268.58 = 79,896.62 : x - Step 2: Convert to fraction form
133,620.14/184,268.58 = 79,896.62/x - Step 3: Cross multiply
133,620.14x = 184,268.58 × 79,896.62 - Step 4: Simplify right side
133,620.14x = 14,722,436,714.20 - Step 5: Solve for x
x = 14,722,436,714.20/133,620.14 - Step 6: Final answer
x = 110,181.27
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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.