Finding the Fourth Proportional to 125,463.68, 188,119.16 and 53,331.60
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Solution
The fourth proportional to 125,463.68, 188,119.16 and 53,331.60 is: 79,964.94
Step by Step Solution
- Step 1: Write the proportion equation
125,463.68 : 188,119.16 = 53,331.60 : x - Step 2: Convert to fraction form
125,463.68/188,119.16 = 53,331.60/x - Step 3: Cross multiply
125,463.68x = 188,119.16 × 53,331.60 - Step 4: Simplify right side
125,463.68x = 10,032,695,793.46 - Step 5: Solve for x
x = 10,032,695,793.46/125,463.68 - Step 6: Final answer
x = 79,964.94
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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.