Finding the Fourth Proportional to 122,391.74, 183,439.98 and 63,195.11
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Solution
The fourth proportional to 122,391.74, 183,439.98 and 63,195.11 is: 94,716.45
Step by Step Solution
- Step 1: Write the proportion equation
122,391.74 : 183,439.98 = 63,195.11 : x - Step 2: Convert to fraction form
122,391.74/183,439.98 = 63,195.11/x - Step 3: Cross multiply
122,391.74x = 183,439.98 × 63,195.11 - Step 4: Simplify right side
122,391.74x = 11,592,510,173.10 - Step 5: Solve for x
x = 11,592,510,173.10/122,391.74 - Step 6: Final answer
x = 94,716.45
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1.5x scale
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.