Finding the Fourth Proportional to 136,145.70, 204,218.55 and 101,153.70
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Solution
The fourth proportional to 136,145.70, 204,218.55 and 101,153.70 is: 151,730.55
Step by Step Solution
- Step 1: Write the proportion equation
136,145.70 : 204,218.55 = 101,153.70 : x - Step 2: Convert to fraction form
136,145.70/204,218.55 = 101,153.70/x - Step 3: Cross multiply
136,145.70x = 204,218.55 × 101,153.70 - Step 4: Simplify right side
136,145.70x = 20,657,461,941.14 - Step 5: Solve for x
x = 20,657,461,941.14/136,145.70 - Step 6: Final answer
x = 151,730.55
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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.