Finding the Fourth Proportional to 127,806.06, 176,373.07 and 74,122.91
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Solution
The fourth proportional to 127,806.06, 176,373.07 and 74,122.91 is: 102,290.02
Step by Step Solution
- Step 1: Write the proportion equation
127,806.06 : 176,373.07 = 74,122.91 : x - Step 2: Convert to fraction form
127,806.06/176,373.07 = 74,122.91/x - Step 3: Cross multiply
127,806.06x = 176,373.07 × 74,122.91 - Step 4: Simplify right side
127,806.06x = 13,073,283,941.55 - Step 5: Solve for x
x = 13,073,283,941.55/127,806.06 - Step 6: Final answer
x = 102,290.02
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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.