Finding the Fourth Proportional to 102,536.16, 141,525.68 and 57,850.08
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Solution
The fourth proportional to 102,536.16, 141,525.68 and 57,850.08 is: 79,847.65
Step by Step Solution
- Step 1: Write the proportion equation
102,536.16 : 141,525.68 = 57,850.08 : x - Step 2: Convert to fraction form
102,536.16/141,525.68 = 57,850.08/x - Step 3: Cross multiply
102,536.16x = 141,525.68 × 57,850.08 - Step 4: Simplify right side
102,536.16x = 8,187,271,910.05 - Step 5: Solve for x
x = 8,187,271,910.05/102,536.16 - Step 6: Final answer
x = 79,847.65
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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.