Finding the Fourth Proportional to 107,350.80, 160,831.80 and 91,798.80
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Solution
The fourth proportional to 107,350.80, 160,831.80 and 91,798.80 is: 137,531.96
Step by Step Solution
- Step 1: Write the proportion equation
107,350.80 : 160,831.80 = 91,798.80 : x - Step 2: Convert to fraction form
107,350.80/160,831.80 = 91,798.80/x - Step 3: Cross multiply
107,350.80x = 160,831.80 × 91,798.80 - Step 4: Simplify right side
107,350.80x = 14,764,166,241.84 - Step 5: Solve for x
x = 14,764,166,241.84/107,350.80 - Step 6: Final answer
x = 137,531.96
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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.