Finding the Fourth Proportional to 127,948.36, 176,511.64 and 74,202.23
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Solution
The fourth proportional to 127,948.36, 176,511.64 and 74,202.23 is: 102,365.96
Step by Step Solution
- Step 1: Write the proportion equation
127,948.36 : 176,511.64 = 74,202.23 : x - Step 2: Convert to fraction form
127,948.36/176,511.64 = 74,202.23/x - Step 3: Cross multiply
127,948.36x = 176,511.64 × 74,202.23 - Step 4: Simplify right side
127,948.36x = 13,097,557,308.96 - Step 5: Solve for x
x = 13,097,557,308.96/127,948.36 - Step 6: Final answer
x = 102,365.96
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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.