Finding the Fourth Proportional to 133,008.66, 183,751.94 and 87,177.09
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Solution
The fourth proportional to 133,008.66, 183,751.94 and 87,177.09 is: 120,435.46
Step by Step Solution
- Step 1: Write the proportion equation
133,008.66 : 183,751.94 = 87,177.09 : x - Step 2: Convert to fraction form
133,008.66/183,751.94 = 87,177.09/x - Step 3: Cross multiply
133,008.66x = 183,751.94 × 87,177.09 - Step 4: Simplify right side
133,008.66x = 16,018,958,975.17 - Step 5: Solve for x
x = 16,018,958,975.17/133,008.66 - Step 6: Final answer
x = 120,435.46
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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.