Finding the Fourth Proportional to 125,176.86, 172,744.74 and 68,590.26
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Solution
The fourth proportional to 125,176.86, 172,744.74 and 68,590.26 is: 94,654.93
Step by Step Solution
- Step 1: Write the proportion equation
125,176.86 : 172,744.74 = 68,590.26 : x - Step 2: Convert to fraction form
125,176.86/172,744.74 = 68,590.26/x - Step 3: Cross multiply
125,176.86x = 172,744.74 × 68,590.26 - Step 4: Simplify right side
125,176.86x = 11,848,606,630.23 - Step 5: Solve for x
x = 11,848,606,630.23/125,176.86 - Step 6: Final answer
x = 94,654.93
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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.