Finding the Fourth Proportional to 106,176.12, 159,362.64 and 53,622.48
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Solution
The fourth proportional to 106,176.12, 159,362.64 and 53,622.48 is: 80,483.45
Step by Step Solution
- Step 1: Write the proportion equation
106,176.12 : 159,362.64 = 53,622.48 : x - Step 2: Convert to fraction form
106,176.12/159,362.64 = 53,622.48/x - Step 3: Cross multiply
106,176.12x = 159,362.64 × 53,622.48 - Step 4: Simplify right side
106,176.12x = 8,545,419,976.15 - Step 5: Solve for x
x = 8,545,419,976.15/106,176.12 - Step 6: Final answer
x = 80,483.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.