Finding the Fourth Proportional to 125,327.75, 172,960.50 and 68,739.13
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Solution
The fourth proportional to 125,327.75, 172,960.50 and 68,739.13 is: 94,864.50
Step by Step Solution
- Step 1: Write the proportion equation
125,327.75 : 172,960.50 = 68,739.13 : x - Step 2: Convert to fraction form
125,327.75/172,960.50 = 68,739.13/x - Step 3: Cross multiply
125,327.75x = 172,960.50 × 68,739.13 - Step 4: Simplify right side
125,327.75x = 11,889,154,294.37 - Step 5: Solve for x
x = 11,889,154,294.37/125,327.75 - Step 6: Final answer
x = 94,864.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.