Finding the Fourth Proportional to 145,705.36, 201,082.68 and 88,350.16
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Solution
The fourth proportional to 145,705.36, 201,082.68 and 88,350.16 is: 121,928.85
Step by Step Solution
- Step 1: Write the proportion equation
145,705.36 : 201,082.68 = 88,350.16 : x - Step 2: Convert to fraction form
145,705.36/201,082.68 = 88,350.16/x - Step 3: Cross multiply
145,705.36x = 201,082.68 × 88,350.16 - Step 4: Simplify right side
145,705.36x = 17,765,686,951.23 - Step 5: Solve for x
x = 17,765,686,951.23/145,705.36 - Step 6: Final answer
x = 121,928.85
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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.