Finding the Fourth Proportional to 133,612.24, 184,257.62 and 79,888.54
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Solution
The fourth proportional to 133,612.24, 184,257.62 and 79,888.54 is: 110,170.09
Step by Step Solution
- Step 1: Write the proportion equation
133,612.24 : 184,257.62 = 79,888.54 : x - Step 2: Convert to fraction form
133,612.24/184,257.62 = 79,888.54/x - Step 3: Cross multiply
133,612.24x = 184,257.62 × 79,888.54 - Step 4: Simplify right side
133,612.24x = 14,720,072,245.67 - Step 5: Solve for x
x = 14,720,072,245.67/133,612.24 - Step 6: Final answer
x = 110,170.09
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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.