Finding the Fourth Proportional to 136,025.80, 204,038.70 and 122,247.70
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Solution
The fourth proportional to 136,025.80, 204,038.70 and 122,247.70 is: 183,371.55
Step by Step Solution
- Step 1: Write the proportion equation
136,025.80 : 204,038.70 = 122,247.70 : x - Step 2: Convert to fraction form
136,025.80/204,038.70 = 122,247.70/x - Step 3: Cross multiply
136,025.80x = 204,038.70 × 122,247.70 - Step 4: Simplify right side
136,025.80x = 24,943,261,785.99 - Step 5: Solve for x
x = 24,943,261,785.99/136,025.80 - Step 6: Final answer
x = 183,371.55
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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.