Finding the Fourth Proportional to 127,116.02, 175,421.66 and 69,751.62
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Solution
The fourth proportional to 127,116.02, 175,421.66 and 69,751.62 is: 96,258.09
Step by Step Solution
- Step 1: Write the proportion equation
127,116.02 : 175,421.66 = 69,751.62 : x - Step 2: Convert to fraction form
127,116.02/175,421.66 = 69,751.62/x - Step 3: Cross multiply
127,116.02x = 175,421.66 × 69,751.62 - Step 4: Simplify right side
127,116.02x = 12,235,944,968.09 - Step 5: Solve for x
x = 12,235,944,968.09/127,116.02 - Step 6: Final answer
x = 96,258.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.