Finding the Fourth Proportional to 111,321.80, 166,982.70 and 97,497.80
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Solution
The fourth proportional to 111,321.80, 166,982.70 and 97,497.80 is: 146,246.70
Step by Step Solution
- Step 1: Write the proportion equation
111,321.80 : 166,982.70 = 97,497.80 : x - Step 2: Convert to fraction form
111,321.80/166,982.70 = 97,497.80/x - Step 3: Cross multiply
111,321.80x = 166,982.70 × 97,497.80 - Step 4: Simplify right side
111,321.80x = 16,280,445,888.06 - Step 5: Solve for x
x = 16,280,445,888.06/111,321.80 - Step 6: Final answer
x = 146,246.70
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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.