Finding the Fourth Proportional to 123,334.18, 170,201.10 and 69,619.66
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Solution
The fourth proportional to 123,334.18, 170,201.10 and 69,619.66 is: 96,075.09
Step by Step Solution
- Step 1: Write the proportion equation
123,334.18 : 170,201.10 = 69,619.66 : x - Step 2: Convert to fraction form
123,334.18/170,201.10 = 69,619.66/x - Step 3: Cross multiply
123,334.18x = 170,201.10 × 69,619.66 - Step 4: Simplify right side
123,334.18x = 11,849,342,713.63 - Step 5: Solve for x
x = 11,849,342,713.63/123,334.18 - Step 6: Final answer
x = 96,075.09
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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.