Finding the Fourth Proportional to 127,836.48, 176,420.36 and 71,248.26
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Solution
The fourth proportional to 127,836.48, 176,420.36 and 71,248.26 is: 98,325.95
Step by Step Solution
- Step 1: Write the proportion equation
127,836.48 : 176,420.36 = 71,248.26 : x - Step 2: Convert to fraction form
127,836.48/176,420.36 = 71,248.26/x - Step 3: Cross multiply
127,836.48x = 176,420.36 × 71,248.26 - Step 4: Simplify right side
127,836.48x = 12,569,643,678.57 - Step 5: Solve for x
x = 12,569,643,678.57/127,836.48 - Step 6: Final answer
x = 98,325.95
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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.