Finding the Fourth Proportional to 107,115.36, 147,816.63 and 59,367.68
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Solution
The fourth proportional to 107,115.36, 147,816.63 and 59,367.68 is: 81,925.98
Step by Step Solution
- Step 1: Write the proportion equation
107,115.36 : 147,816.63 = 59,367.68 : x - Step 2: Convert to fraction form
107,115.36/147,816.63 = 59,367.68/x - Step 3: Cross multiply
107,115.36x = 147,816.63 × 59,367.68 - Step 4: Simplify right side
107,115.36x = 8,775,530,388.52 - Step 5: Solve for x
x = 8,775,530,388.52/107,115.36 - Step 6: Final answer
x = 81,925.98
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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.