Finding the Fourth Proportional to 96,192.18, 144,339.84 and 40,071.06
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Solution
The fourth proportional to 96,192.18, 144,339.84 and 40,071.06 is: 60,128.07
Step by Step Solution
- Step 1: Write the proportion equation
96,192.18 : 144,339.84 = 40,071.06 : x - Step 2: Convert to fraction form
96,192.18/144,339.84 = 40,071.06/x - Step 3: Cross multiply
96,192.18x = 144,339.84 × 40,071.06 - Step 4: Simplify right side
96,192.18x = 5,783,850,389.03 - Step 5: Solve for x
x = 5,783,850,389.03/96,192.18 - Step 6: Final answer
x = 60,128.07
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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.