Finding the Fourth Proportional to 133,197.06, 183,804.57 and 76,609.38
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Solution
The fourth proportional to 133,197.06, 183,804.57 and 76,609.38 is: 105,716.70
Step by Step Solution
- Step 1: Write the proportion equation
133,197.06 : 183,804.57 = 76,609.38 : x - Step 2: Convert to fraction form
133,197.06/183,804.57 = 76,609.38/x - Step 3: Cross multiply
133,197.06x = 183,804.57 × 76,609.38 - Step 4: Simplify right side
133,197.06x = 14,081,154,148.87 - Step 5: Solve for x
x = 14,081,154,148.87/133,197.06 - Step 6: Final answer
x = 105,716.70
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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.