Finding the Fourth Proportional to 122,060.68, 168,463.67 and 72,999.08
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Solution
The fourth proportional to 122,060.68, 168,463.67 and 72,999.08 is: 100,750.65
Step by Step Solution
- Step 1: Write the proportion equation
122,060.68 : 168,463.67 = 72,999.08 : x - Step 2: Convert to fraction form
122,060.68/168,463.67 = 72,999.08/x - Step 3: Cross multiply
122,060.68x = 168,463.67 × 72,999.08 - Step 4: Simplify right side
122,060.68x = 12,297,692,923.42 - Step 5: Solve for x
x = 12,297,692,923.42/122,060.68 - Step 6: Final answer
x = 100,750.65
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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.