Finding the Fourth Proportional to 124,465.35, 186,763.77 and 74,645.49
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Solution
The fourth proportional to 124,465.35, 186,763.77 and 74,645.49 is: 112,007.66
Step by Step Solution
- Step 1: Write the proportion equation
124,465.35 : 186,763.77 = 74,645.49 : x - Step 2: Convert to fraction form
124,465.35/186,763.77 = 74,645.49/x - Step 3: Cross multiply
124,465.35x = 186,763.77 × 74,645.49 - Step 4: Simplify right side
124,465.35x = 13,941,073,125.90 - Step 5: Solve for x
x = 13,941,073,125.90/124,465.35 - Step 6: Final answer
x = 112,007.66
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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.