Finding the Fourth Proportional to 133,451.35, 184,144.73 and 79,724.99
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Solution
The fourth proportional to 133,451.35, 184,144.73 and 79,724.99 is: 110,009.66
Step by Step Solution
- Step 1: Write the proportion equation
133,451.35 : 184,144.73 = 79,724.99 : x - Step 2: Convert to fraction form
133,451.35/184,144.73 = 79,724.99/x - Step 3: Cross multiply
133,451.35x = 184,144.73 × 79,724.99 - Step 4: Simplify right side
133,451.35x = 14,680,936,819.54 - Step 5: Solve for x
x = 14,680,936,819.54/133,451.35 - Step 6: Final answer
x = 110,009.66
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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.