Finding the Fourth Proportional to 137,574.70, 192,735.80 and 137,574.70
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Solution
The fourth proportional to 137,574.70, 192,735.80 and 137,574.70 is: 192,735.80
Step by Step Solution
- Step 1: Write the proportion equation
137,574.70 : 192,735.80 = 137,574.70 : x - Step 2: Convert to fraction form
137,574.70/192,735.80 = 137,574.70/x - Step 3: Cross multiply
137,574.70x = 192,735.80 × 137,574.70 - Step 4: Simplify right side
137,574.70x = 26,515,569,864.26 - Step 5: Solve for x
x = 26,515,569,864.26/137,574.70 - Step 6: Final answer
x = 192,735.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.