Finding the Fourth Proportional to 114,486.92, 171,695.36 and 79,175.17
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Solution
The fourth proportional to 114,486.92, 171,695.36 and 79,175.17 is: 118,738.54
Step by Step Solution
- Step 1: Write the proportion equation
114,486.92 : 171,695.36 = 79,175.17 : x - Step 2: Convert to fraction form
114,486.92/171,695.36 = 79,175.17/x - Step 3: Cross multiply
114,486.92x = 171,695.36 × 79,175.17 - Step 4: Simplify right side
114,486.92x = 13,594,009,316.21 - Step 5: Solve for x
x = 13,594,009,316.21/114,486.92 - Step 6: Final answer
x = 118,738.54
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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.