Finding the Fourth Proportional to 127,191.11, 175,523.00 and 69,831.42
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Solution
The fourth proportional to 127,191.11, 175,523.00 and 69,831.42 is: 96,366.95
Step by Step Solution
- Step 1: Write the proportion equation
127,191.11 : 175,523.00 = 69,831.42 : x - Step 2: Convert to fraction form
127,191.11/175,523.00 = 69,831.42/x - Step 3: Cross multiply
127,191.11x = 175,523.00 × 69,831.42 - Step 4: Simplify right side
127,191.11x = 12,257,019,718.09 - Step 5: Solve for x
x = 12,257,019,718.09/127,191.11 - Step 6: Final answer
x = 96,366.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.