Finding the Fourth Proportional to 133,247.24, 183,794.42 and 85,424.84
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Solution
The fourth proportional to 133,247.24, 183,794.42 and 85,424.84 is: 117,830.65
Step by Step Solution
- Step 1: Write the proportion equation
133,247.24 : 183,794.42 = 85,424.84 : x - Step 2: Convert to fraction form
133,247.24/183,794.42 = 85,424.84/x - Step 3: Cross multiply
133,247.24x = 183,794.42 × 85,424.84 - Step 4: Simplify right side
133,247.24x = 15,700,608,921.39 - Step 5: Solve for x
x = 15,700,608,921.39/133,247.24 - Step 6: Final answer
x = 117,830.65
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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.