Finding the Fourth Proportional to 114,930.14, 158,625.43 and 71,929.62
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Solution
The fourth proportional to 114,930.14, 158,625.43 and 71,929.62 is: 99,276.55
Step by Step Solution
- Step 1: Write the proportion equation
114,930.14 : 158,625.43 = 71,929.62 : x - Step 2: Convert to fraction form
114,930.14/158,625.43 = 71,929.62/x - Step 3: Cross multiply
114,930.14x = 158,625.43 × 71,929.62 - Step 4: Simplify right side
114,930.14x = 11,409,866,722.41 - Step 5: Solve for x
x = 11,409,866,722.41/114,930.14 - Step 6: Final answer
x = 99,276.55
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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.