Finding the Fourth Proportional to 136,766.04, 205,122.96 and 57,935.70
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Solution
The fourth proportional to 136,766.04, 205,122.96 and 57,935.70 is: 86,892.49
Step by Step Solution
- Step 1: Write the proportion equation
136,766.04 : 205,122.96 = 57,935.70 : x - Step 2: Convert to fraction form
136,766.04/205,122.96 = 57,935.70/x - Step 3: Cross multiply
136,766.04x = 205,122.96 × 57,935.70 - Step 4: Simplify right side
136,766.04x = 11,883,942,273.67 - Step 5: Solve for x
x = 11,883,942,273.67/136,766.04 - Step 6: Final answer
x = 86,892.49
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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.