Finding the Fourth Proportional to 121,226.88, 167,265.24 and 69,520.08
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Solution
The fourth proportional to 121,226.88, 167,265.24 and 69,520.08 is: 95,921.74
Step by Step Solution
- Step 1: Write the proportion equation
121,226.88 : 167,265.24 = 69,520.08 : x - Step 2: Convert to fraction form
121,226.88/167,265.24 = 69,520.08/x - Step 3: Cross multiply
121,226.88x = 167,265.24 × 69,520.08 - Step 4: Simplify right side
121,226.88x = 11,628,292,866.02 - Step 5: Solve for x
x = 11,628,292,866.02/121,226.88 - Step 6: Final answer
x = 95,921.74
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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.