Finding the Fourth Proportional to 110,965.08, 153,131.94 and 60,664.08
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Solution
The fourth proportional to 110,965.08, 153,131.94 and 60,664.08 is: 83,716.50
Step by Step Solution
- Step 1: Write the proportion equation
110,965.08 : 153,131.94 = 60,664.08 : x - Step 2: Convert to fraction form
110,965.08/153,131.94 = 60,664.08/x - Step 3: Cross multiply
110,965.08x = 153,131.94 × 60,664.08 - Step 4: Simplify right side
110,965.08x = 9,289,608,258.72 - Step 5: Solve for x
x = 9,289,608,258.72/110,965.08 - Step 6: Final answer
x = 83,716.50
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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.