Finding the Fourth Proportional to 130,597.74, 195,634.17 and 68,137.02
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Solution
The fourth proportional to 130,597.74, 195,634.17 and 68,137.02 is: 102,068.61
Step by Step Solution
- Step 1: Write the proportion equation
130,597.74 : 195,634.17 = 68,137.02 : x - Step 2: Convert to fraction form
130,597.74/195,634.17 = 68,137.02/x - Step 3: Cross multiply
130,597.74x = 195,634.17 × 68,137.02 - Step 4: Simplify right side
130,597.74x = 13,329,929,353.97 - Step 5: Solve for x
x = 13,329,929,353.97/130,597.74 - Step 6: Final answer
x = 102,068.61
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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.