Finding the Fourth Proportional to 145,736.60, 202,033.68 and 137,754.08
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Solution
The fourth proportional to 145,736.60, 202,033.68 and 137,754.08 is: 190,967.57
Step by Step Solution
- Step 1: Write the proportion equation
145,736.60 : 202,033.68 = 137,754.08 : x - Step 2: Convert to fraction form
145,736.60/202,033.68 = 137,754.08/x - Step 3: Cross multiply
145,736.60x = 202,033.68 × 137,754.08 - Step 4: Simplify right side
145,736.60x = 27,830,963,717.41 - Step 5: Solve for x
x = 27,830,963,717.41/145,736.60 - Step 6: Final answer
x = 190,967.57
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.