Finding the Fourth Proportional to 128,179.93, 192,214.42 and 53,248.75
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Solution
The fourth proportional to 128,179.93, 192,214.42 and 53,248.75 is: 79,850.08
Step by Step Solution
- Step 1: Write the proportion equation
128,179.93 : 192,214.42 = 53,248.75 : x - Step 2: Convert to fraction form
128,179.93/192,214.42 = 53,248.75/x - Step 3: Cross multiply
128,179.93x = 192,214.42 × 53,248.75 - Step 4: Simplify right side
128,179.93x = 10,235,177,596.98 - Step 5: Solve for x
x = 10,235,177,596.98/128,179.93 - Step 6: Final answer
x = 79,850.08
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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.