Finding the Fourth Proportional to 122,259.58, 168,563.19 and 87,375.93
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Solution
The fourth proportional to 122,259.58, 168,563.19 and 87,375.93 is: 120,467.99
Step by Step Solution
- Step 1: Write the proportion equation
122,259.58 : 168,563.19 = 87,375.93 : x - Step 2: Convert to fraction form
122,259.58/168,563.19 = 87,375.93/x - Step 3: Cross multiply
122,259.58x = 168,563.19 × 87,375.93 - Step 4: Simplify right side
122,259.58x = 14,728,365,490.02 - Step 5: Solve for x
x = 14,728,365,490.02/122,259.58 - Step 6: Final answer
x = 120,467.99
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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.