Finding the Fourth Proportional to 133,826.18, 184,662.99 and 76,469.14
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Solution
The fourth proportional to 133,826.18, 184,662.99 and 76,469.14 is: 105,517.62
Step by Step Solution
- Step 1: Write the proportion equation
133,826.18 : 184,662.99 = 76,469.14 : x - Step 2: Convert to fraction form
133,826.18/184,662.99 = 76,469.14/x - Step 3: Cross multiply
133,826.18x = 184,662.99 × 76,469.14 - Step 4: Simplify right side
133,826.18x = 14,121,019,746.59 - Step 5: Solve for x
x = 14,121,019,746.59/133,826.18 - Step 6: Final answer
x = 105,517.62
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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.