Finding the Fourth Proportional to 133,714.09, 184,530.86 and 76,362.75
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Solution
The fourth proportional to 133,714.09, 184,530.86 and 76,362.75 is: 105,383.69
Step by Step Solution
- Step 1: Write the proportion equation
133,714.09 : 184,530.86 = 76,362.75 : x - Step 2: Convert to fraction form
133,714.09/184,530.86 = 76,362.75/x - Step 3: Cross multiply
133,714.09x = 184,530.86 × 76,362.75 - Step 4: Simplify right side
133,714.09x = 14,091,283,834.01 - Step 5: Solve for x
x = 14,091,283,834.01/133,714.09 - Step 6: Final answer
x = 105,383.69
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1.5x scale
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.