Finding the Fourth Proportional to 122,509.02, 169,047.08 and 68,793.88
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Solution
The fourth proportional to 122,509.02, 169,047.08 and 68,793.88 is: 94,926.92
Step by Step Solution
- Step 1: Write the proportion equation
122,509.02 : 169,047.08 = 68,793.88 : x - Step 2: Convert to fraction form
122,509.02/169,047.08 = 68,793.88/x - Step 3: Cross multiply
122,509.02x = 169,047.08 × 68,793.88 - Step 4: Simplify right side
122,509.02x = 11,629,404,535.87 - Step 5: Solve for x
x = 11,629,404,535.87/122,509.02 - Step 6: Final answer
x = 94,926.92
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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.