Finding the Fourth Proportional to 107,959.14, 148,983.84 and 60,211.26
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Solution
The fourth proportional to 107,959.14, 148,983.84 and 60,211.26 is: 83,091.67
Step by Step Solution
- Step 1: Write the proportion equation
107,959.14 : 148,983.84 = 60,211.26 : x - Step 2: Convert to fraction form
107,959.14/148,983.84 = 60,211.26/x - Step 3: Cross multiply
107,959.14x = 148,983.84 × 60,211.26 - Step 4: Simplify right side
107,959.14x = 8,970,504,726.04 - Step 5: Solve for x
x = 8,970,504,726.04/107,959.14 - Step 6: Final answer
x = 83,091.67
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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.