Finding the Fourth Proportional to 133,316.92, 184,023.68 and 76,750.84
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Solution
The fourth proportional to 133,316.92, 184,023.68 and 76,750.84 is: 105,942.83
Step by Step Solution
- Step 1: Write the proportion equation
133,316.92 : 184,023.68 = 76,750.84 : x - Step 2: Convert to fraction form
133,316.92/184,023.68 = 76,750.84/x - Step 3: Cross multiply
133,316.92x = 184,023.68 × 76,750.84 - Step 4: Simplify right side
133,316.92x = 14,123,972,019.89 - Step 5: Solve for x
x = 14,123,972,019.89/133,316.92 - Step 6: Final answer
x = 105,942.83
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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.