Finding the Fourth Proportional to 133,260.85, 183,882.21 and 85,578.79
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Solution
The fourth proportional to 133,260.85, 183,882.21 and 85,578.79 is: 118,087.32
Step by Step Solution
- Step 1: Write the proportion equation
133,260.85 : 183,882.21 = 85,578.79 : x - Step 2: Convert to fraction form
133,260.85/183,882.21 = 85,578.79/x - Step 3: Cross multiply
133,260.85x = 183,882.21 × 85,578.79 - Step 4: Simplify right side
133,260.85x = 15,736,417,034.33 - Step 5: Solve for x
x = 15,736,417,034.33/133,260.85 - Step 6: Final answer
x = 118,087.32
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1.5x scale
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.