Finding the Fourth Proportional to 110,126.19, 151,969.28 and 62,378.58
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Solution
The fourth proportional to 110,126.19, 151,969.28 and 62,378.58 is: 86,079.68
Step by Step Solution
- Step 1: Write the proportion equation
110,126.19 : 151,969.28 = 62,378.58 : x - Step 2: Convert to fraction form
110,126.19/151,969.28 = 62,378.58/x - Step 3: Cross multiply
110,126.19x = 151,969.28 × 62,378.58 - Step 4: Simplify right side
110,126.19x = 9,479,627,578.13 - Step 5: Solve for x
x = 9,479,627,578.13/110,126.19 - Step 6: Final answer
x = 86,079.68
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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.