Finding the Fourth Proportional to 110,425.80, 165,638.70 and 97,741.20
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Solution
The fourth proportional to 110,425.80, 165,638.70 and 97,741.20 is: 146,611.80
Step by Step Solution
- Step 1: Write the proportion equation
110,425.80 : 165,638.70 = 97,741.20 : x - Step 2: Convert to fraction form
110,425.80/165,638.70 = 97,741.20/x - Step 3: Cross multiply
110,425.80x = 165,638.70 × 97,741.20 - Step 4: Simplify right side
110,425.80x = 16,189,725,304.44 - Step 5: Solve for x
x = 16,189,725,304.44/110,425.80 - Step 6: Final answer
x = 146,611.80
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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.