Finding the Fourth Proportional to 146,890.14, 202,770.40 and 99,208.07
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Solution
The fourth proportional to 146,890.14, 202,770.40 and 99,208.07 is: 136,949.02
Step by Step Solution
- Step 1: Write the proportion equation
146,890.14 : 202,770.40 = 99,208.07 : x - Step 2: Convert to fraction form
146,890.14/202,770.40 = 99,208.07/x - Step 3: Cross multiply
146,890.14x = 202,770.40 × 99,208.07 - Step 4: Simplify right side
146,890.14x = 20,116,460,544.05 - Step 5: Solve for x
x = 20,116,460,544.05/146,890.14 - Step 6: Final answer
x = 136,949.02
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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.