Finding the Fourth Proportional to 107,313.66, 160,904.88 and 51,170.94
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Solution
The fourth proportional to 107,313.66, 160,904.88 and 51,170.94 is: 76,725.12
Step by Step Solution
- Step 1: Write the proportion equation
107,313.66 : 160,904.88 = 51,170.94 : x - Step 2: Convert to fraction form
107,313.66/160,904.88 = 51,170.94/x - Step 3: Cross multiply
107,313.66x = 160,904.88 × 51,170.94 - Step 4: Simplify right side
107,313.66x = 8,233,653,960.19 - Step 5: Solve for x
x = 8,233,653,960.19/107,313.66 - Step 6: Final answer
x = 76,725.12
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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.