Finding the Fourth Proportional to 125,329.86, 172,956.60 and 68,740.02
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Solution
The fourth proportional to 125,329.86, 172,956.60 and 68,740.02 is: 94,861.99
Step by Step Solution
- Step 1: Write the proportion equation
125,329.86 : 172,956.60 = 68,740.02 : x - Step 2: Convert to fraction form
125,329.86/172,956.60 = 68,740.02/x - Step 3: Cross multiply
125,329.86x = 172,956.60 × 68,740.02 - Step 4: Simplify right side
125,329.86x = 11,889,040,143.13 - Step 5: Solve for x
x = 11,889,040,143.13/125,329.86 - Step 6: Final answer
x = 94,861.99
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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.