Finding the Fourth Proportional to 169,199.39, 253,798.41 and 75,639.53
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Solution
The fourth proportional to 169,199.39, 253,798.41 and 75,639.53 is: 113,458.99
Step by Step Solution
- Step 1: Write the proportion equation
169,199.39 : 253,798.41 = 75,639.53 : x - Step 2: Convert to fraction form
169,199.39/253,798.41 = 75,639.53/x - Step 3: Cross multiply
169,199.39x = 253,798.41 × 75,639.53 - Step 4: Simplify right side
169,199.39x = 19,197,192,447.15 - Step 5: Solve for x
x = 19,197,192,447.15/169,199.39 - Step 6: Final answer
x = 113,458.99
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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.