Finding the Fourth Proportional to 163,423.53, 225,534.11 and 123,066.09
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Solution
The fourth proportional to 163,423.53, 225,534.11 and 123,066.09 is: 169,838.46
Step by Step Solution
- Step 1: Write the proportion equation
163,423.53 : 225,534.11 = 123,066.09 : x - Step 2: Convert to fraction form
163,423.53/225,534.11 = 123,066.09/x - Step 3: Cross multiply
163,423.53x = 225,534.11 × 123,066.09 - Step 4: Simplify right side
163,423.53x = 27,755,600,464.00 - Step 5: Solve for x
x = 27,755,600,464.00/163,423.53 - Step 6: Final answer
x = 169,838.46
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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.