Finding the Fourth Proportional to 106,928.48, 147,556.04 and 60,989.94
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Solution
The fourth proportional to 106,928.48, 147,556.04 and 60,989.94 is: 84,163.12
Step by Step Solution
- Step 1: Write the proportion equation
106,928.48 : 147,556.04 = 60,989.94 : x - Step 2: Convert to fraction form
106,928.48/147,556.04 = 60,989.94/x - Step 3: Cross multiply
106,928.48x = 147,556.04 × 60,989.94 - Step 4: Simplify right side
106,928.48x = 8,999,434,026.24 - Step 5: Solve for x
x = 8,999,434,026.24/106,928.48 - Step 6: Final answer
x = 84,163.12
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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.