Finding the Fourth Proportional to 127,751.96, 176,258.68 and 74,026.60
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Solution
The fourth proportional to 127,751.96, 176,258.68 and 74,026.60 is: 102,134.09
Step by Step Solution
- Step 1: Write the proportion equation
127,751.96 : 176,258.68 = 74,026.60 : x - Step 2: Convert to fraction form
127,751.96/176,258.68 = 74,026.60/x - Step 3: Cross multiply
127,751.96x = 176,258.68 × 74,026.60 - Step 4: Simplify right side
127,751.96x = 13,047,830,175.17 - Step 5: Solve for x
x = 13,047,830,175.17/127,751.96 - Step 6: Final answer
x = 102,134.09
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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.