Finding the Fourth Proportional to 146,811.19, 202,592.66 and 83,149.44
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Solution
The fourth proportional to 146,811.19, 202,592.66 and 83,149.44 is: 114,742.39
Step by Step Solution
- Step 1: Write the proportion equation
146,811.19 : 202,592.66 = 83,149.44 : x - Step 2: Convert to fraction form
146,811.19/202,592.66 = 83,149.44/x - Step 3: Cross multiply
146,811.19x = 202,592.66 × 83,149.44 - Step 4: Simplify right side
146,811.19x = 16,845,466,227.11 - Step 5: Solve for x
x = 16,845,466,227.11/146,811.19 - Step 6: Final answer
x = 114,742.39
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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.