Finding the Fourth Proportional to 124,334.09, 186,368.34 and 70,911.05
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Solution
The fourth proportional to 124,334.09, 186,368.34 and 70,911.05 is: 106,290.84
Step by Step Solution
- Step 1: Write the proportion equation
124,334.09 : 186,368.34 = 70,911.05 : x - Step 2: Convert to fraction form
124,334.09/186,368.34 = 70,911.05/x - Step 3: Cross multiply
124,334.09x = 186,368.34 × 70,911.05 - Step 4: Simplify right side
124,334.09x = 13,215,575,171.97 - Step 5: Solve for x
x = 13,215,575,171.97/124,334.09 - Step 6: Final answer
x = 106,290.84
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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.