Finding the Fourth Proportional to 106,975.20, 160,462.80 and 98,680.80
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Solution
The fourth proportional to 106,975.20, 160,462.80 and 98,680.80 is: 148,021.20
Step by Step Solution
- Step 1: Write the proportion equation
106,975.20 : 160,462.80 = 98,680.80 : x - Step 2: Convert to fraction form
106,975.20/160,462.80 = 98,680.80/x - Step 3: Cross multiply
106,975.20x = 160,462.80 × 98,680.80 - Step 4: Simplify right side
106,975.20x = 15,834,597,474.24 - Step 5: Solve for x
x = 15,834,597,474.24/106,975.20 - Step 6: Final answer
x = 148,021.20
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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.