Finding the Fourth Proportional to 106,466.40, 159,699.60 and 97,864.80
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Solution
The fourth proportional to 106,466.40, 159,699.60 and 97,864.80 is: 146,797.20
Step by Step Solution
- Step 1: Write the proportion equation
106,466.40 : 159,699.60 = 97,864.80 : x - Step 2: Convert to fraction form
106,466.40/159,699.60 = 97,864.80/x - Step 3: Cross multiply
106,466.40x = 159,699.60 × 97,864.80 - Step 4: Simplify right side
106,466.40x = 15,628,969,414.08 - Step 5: Solve for x
x = 15,628,969,414.08/106,466.40 - Step 6: Final answer
x = 146,797.20
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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.