Finding the Fourth Proportional to 127,278.92, 190,737.84 and 93,735.92
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Solution
The fourth proportional to 127,278.92, 190,737.84 and 93,735.92 is: 140,470.92
Step by Step Solution
- Step 1: Write the proportion equation
127,278.92 : 190,737.84 = 93,735.92 : x - Step 2: Convert to fraction form
127,278.92/190,737.84 = 93,735.92/x - Step 3: Cross multiply
127,278.92x = 190,737.84 × 93,735.92 - Step 4: Simplify right side
127,278.92x = 17,878,986,911.21 - Step 5: Solve for x
x = 17,878,986,911.21/127,278.92 - Step 6: Final answer
x = 140,470.92
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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.