Finding the Fourth Proportional to 114,929.26, 158,512.50 and 74,655.99
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Solution
The fourth proportional to 114,929.26, 158,512.50 and 74,655.99 is: 102,966.89
Step by Step Solution
- Step 1: Write the proportion equation
114,929.26 : 158,512.50 = 74,655.99 : x - Step 2: Convert to fraction form
114,929.26/158,512.50 = 74,655.99/x - Step 3: Cross multiply
114,929.26x = 158,512.50 × 74,655.99 - Step 4: Simplify right side
114,929.26x = 11,833,907,894.84 - Step 5: Solve for x
x = 11,833,907,894.84/114,929.26 - Step 6: Final answer
x = 102,966.89
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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.