Finding the Fourth Proportional to 147,967.13, 204,194.99 and 80,903.45
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Solution
The fourth proportional to 147,967.13, 204,194.99 and 80,903.45 is: 111,646.95
Step by Step Solution
- Step 1: Write the proportion equation
147,967.13 : 204,194.99 = 80,903.45 : x - Step 2: Convert to fraction form
147,967.13/204,194.99 = 80,903.45/x - Step 3: Cross multiply
147,967.13x = 204,194.99 × 80,903.45 - Step 4: Simplify right side
147,967.13x = 16,520,078,759.20 - Step 5: Solve for x
x = 16,520,078,759.20/147,967.13 - Step 6: Final answer
x = 111,646.95
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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.