Finding the Fourth Proportional to 146,892.87, 202,774.18 and 99,210.81
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Solution
The fourth proportional to 146,892.87, 202,774.18 and 99,210.81 is: 136,952.80
Step by Step Solution
- Step 1: Write the proportion equation
146,892.87 : 202,774.18 = 99,210.81 : x - Step 2: Convert to fraction form
146,892.87/202,774.18 = 99,210.81/x - Step 3: Cross multiply
146,892.87x = 202,774.18 × 99,210.81 - Step 4: Simplify right side
146,892.87x = 20,117,389,631.01 - Step 5: Solve for x
x = 20,117,389,631.01/146,892.87 - Step 6: Final answer
x = 136,952.80
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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.