Finding the Fourth Proportional to 102,192.44, 141,028.26 and 56,873.48
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Solution
The fourth proportional to 102,192.44, 141,028.26 and 56,873.48 is: 78,486.90
Step by Step Solution
- Step 1: Write the proportion equation
102,192.44 : 141,028.26 = 56,873.48 : x - Step 2: Convert to fraction form
102,192.44/141,028.26 = 56,873.48/x - Step 3: Cross multiply
102,192.44x = 141,028.26 × 56,873.48 - Step 4: Simplify right side
102,192.44x = 8,020,767,924.54 - Step 5: Solve for x
x = 8,020,767,924.54/102,192.44 - Step 6: Final answer
x = 78,486.90
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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.