Finding the Fourth Proportional to 124,133.31, 186,199.97 and 74,227.79
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Solution
The fourth proportional to 124,133.31, 186,199.97 and 74,227.79 is: 111,341.69
Step by Step Solution
- Step 1: Write the proportion equation
124,133.31 : 186,199.97 = 74,227.79 : x - Step 2: Convert to fraction form
124,133.31/186,199.97 = 74,227.79/x - Step 3: Cross multiply
124,133.31x = 186,199.97 × 74,227.79 - Step 4: Simplify right side
124,133.31x = 13,821,212,365.53 - Step 5: Solve for x
x = 13,821,212,365.53/124,133.31 - Step 6: Final answer
x = 111,341.69
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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.