Finding the Fourth Proportional to 133,910.62, 184,796.64 and 76,551.18
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Solution
The fourth proportional to 133,910.62, 184,796.64 and 76,551.18 is: 105,640.62
Step by Step Solution
- Step 1: Write the proportion equation
133,910.62 : 184,796.64 = 76,551.18 : x - Step 2: Convert to fraction form
133,910.62/184,796.64 = 76,551.18/x - Step 3: Cross multiply
133,910.62x = 184,796.64 × 76,551.18 - Step 4: Simplify right side
133,910.62x = 14,146,400,159.05 - Step 5: Solve for x
x = 14,146,400,159.05/133,910.62 - Step 6: Final answer
x = 105,640.62
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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.