Finding the Fourth Proportional to 127,045.26, 175,207.86 and 79,303.05
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Solution
The fourth proportional to 127,045.26, 175,207.86 and 79,303.05 is: 109,366.68
Step by Step Solution
- Step 1: Write the proportion equation
127,045.26 : 175,207.86 = 79,303.05 : x - Step 2: Convert to fraction form
127,045.26/175,207.86 = 79,303.05/x - Step 3: Cross multiply
127,045.26x = 175,207.86 × 79,303.05 - Step 4: Simplify right side
127,045.26x = 13,894,517,681.97 - Step 5: Solve for x
x = 13,894,517,681.97/127,045.26 - Step 6: Final answer
x = 109,366.68
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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.