Finding the Fourth Proportional to 111,135.74, 166,659.68 and 36,237.48
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Solution
The fourth proportional to 111,135.74, 166,659.68 and 36,237.48 is: 54,341.90
Step by Step Solution
- Step 1: Write the proportion equation
111,135.74 : 166,659.68 = 36,237.48 : x - Step 2: Convert to fraction form
111,135.74/166,659.68 = 36,237.48/x - Step 3: Cross multiply
111,135.74x = 166,659.68 × 36,237.48 - Step 4: Simplify right side
111,135.74x = 6,039,326,820.81 - Step 5: Solve for x
x = 6,039,326,820.81/111,135.74 - Step 6: Final answer
x = 54,341.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.