Finding the Fourth Proportional to 112,943.29, 169,082.07 and 98,930.70
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Solution
The fourth proportional to 112,943.29, 169,082.07 and 98,930.70 is: 148,104.48
Step by Step Solution
- Step 1: Write the proportion equation
112,943.29 : 169,082.07 = 98,930.70 : x - Step 2: Convert to fraction form
112,943.29/169,082.07 = 98,930.70/x - Step 3: Cross multiply
112,943.29x = 169,082.07 × 98,930.70 - Step 4: Simplify right side
112,943.29x = 16,727,407,542.55 - Step 5: Solve for x
x = 16,727,407,542.55/112,943.29 - Step 6: Final answer
x = 148,104.48
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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.