Finding the Fourth Proportional to 135,885.13, 202,912.58 and 110,974.60
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Solution
The fourth proportional to 135,885.13, 202,912.58 and 110,974.60 is: 165,714.54
Step by Step Solution
- Step 1: Write the proportion equation
135,885.13 : 202,912.58 = 110,974.60 : x - Step 2: Convert to fraction form
135,885.13/202,912.58 = 110,974.60/x - Step 3: Cross multiply
135,885.13x = 202,912.58 × 110,974.60 - Step 4: Simplify right side
135,885.13x = 22,518,142,400.47 - Step 5: Solve for x
x = 22,518,142,400.47/135,885.13 - Step 6: Final answer
x = 165,714.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.