Finding the Fourth Proportional to 125,601.80, 188,402.70 and 51,729.80
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Solution
The fourth proportional to 125,601.80, 188,402.70 and 51,729.80 is: 77,594.70
Step by Step Solution
- Step 1: Write the proportion equation
125,601.80 : 188,402.70 = 51,729.80 : x - Step 2: Convert to fraction form
125,601.80/188,402.70 = 51,729.80/x - Step 3: Cross multiply
125,601.80x = 188,402.70 × 51,729.80 - Step 4: Simplify right side
125,601.80x = 9,746,033,990.46 - Step 5: Solve for x
x = 9,746,033,990.46/125,601.80 - Step 6: Final answer
x = 77,594.70
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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.