Finding the Fourth Proportional to 110,122.29, 151,969.05 and 62,375.63
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Solution
The fourth proportional to 110,122.29, 151,969.05 and 62,375.63 is: 86,078.53
Step by Step Solution
- Step 1: Write the proportion equation
110,122.29 : 151,969.05 = 62,375.63 : x - Step 2: Convert to fraction form
110,122.29/151,969.05 = 62,375.63/x - Step 3: Cross multiply
110,122.29x = 151,969.05 × 62,375.63 - Step 4: Simplify right side
110,122.29x = 9,479,164,474.41 - Step 5: Solve for x
x = 9,479,164,474.41/110,122.29 - Step 6: Final answer
x = 86,078.53
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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.