Finding the Fourth Proportional to 107,132.44, 160,675.56 and 67,636.84
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Solution
The fourth proportional to 107,132.44, 160,675.56 and 67,636.84 is: 101,440.68
Step by Step Solution
- Step 1: Write the proportion equation
107,132.44 : 160,675.56 = 67,636.84 : x - Step 2: Convert to fraction form
107,132.44/160,675.56 = 67,636.84/x - Step 3: Cross multiply
107,132.44x = 160,675.56 × 67,636.84 - Step 4: Simplify right side
107,132.44x = 10,867,587,143.63 - Step 5: Solve for x
x = 10,867,587,143.63/107,132.44 - Step 6: Final answer
x = 101,440.68
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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.