Finding the Fourth Proportional to 122,653.62, 184,058.19 and 66,531.96
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Solution
The fourth proportional to 122,653.62, 184,058.19 and 66,531.96 is: 99,840.12
Step by Step Solution
- Step 1: Write the proportion equation
122,653.62 : 184,058.19 = 66,531.96 : x - Step 2: Convert to fraction form
122,653.62/184,058.19 = 66,531.96/x - Step 3: Cross multiply
122,653.62x = 184,058.19 × 66,531.96 - Step 4: Simplify right side
122,653.62x = 12,245,752,134.75 - Step 5: Solve for x
x = 12,245,752,134.75/122,653.62 - Step 6: Final answer
x = 99,840.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.