Finding the Fourth Proportional to 102,610.76, 154,149.72 and 74,235.26
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Solution
The fourth proportional to 102,610.76, 154,149.72 and 74,235.26 is: 111,521.88
Step by Step Solution
- Step 1: Write the proportion equation
102,610.76 : 154,149.72 = 74,235.26 : x - Step 2: Convert to fraction form
102,610.76/154,149.72 = 74,235.26/x - Step 3: Cross multiply
102,610.76x = 154,149.72 × 74,235.26 - Step 4: Simplify right side
102,610.76x = 11,443,344,543.13 - Step 5: Solve for x
x = 11,443,344,543.13/102,610.76 - Step 6: Final answer
x = 111,521.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.