Finding the Fourth Proportional to 134,442.80, 201,788.81 and 67,929.68
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Solution
The fourth proportional to 134,442.80, 201,788.81 and 67,929.68 is: 101,957.48
Step by Step Solution
- Step 1: Write the proportion equation
134,442.80 : 201,788.81 = 67,929.68 : x - Step 2: Convert to fraction form
134,442.80/201,788.81 = 67,929.68/x - Step 3: Cross multiply
134,442.80x = 201,788.81 × 67,929.68 - Step 4: Simplify right side
134,442.80x = 13,707,449,290.88 - Step 5: Solve for x
x = 13,707,449,290.88/134,442.80 - Step 6: Final answer
x = 101,957.48
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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.