Finding the Fourth Proportional to 130,690.08, 196,034.88 and 91,324.08
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Solution
The fourth proportional to 130,690.08, 196,034.88 and 91,324.08 is: 136,985.95
Step by Step Solution
- Step 1: Write the proportion equation
130,690.08 : 196,034.88 = 91,324.08 : x - Step 2: Convert to fraction form
130,690.08/196,034.88 = 91,324.08/x - Step 3: Cross multiply
130,690.08x = 196,034.88 × 91,324.08 - Step 4: Simplify right side
130,690.08x = 17,902,705,063.91 - Step 5: Solve for x
x = 17,902,705,063.91/130,690.08 - Step 6: Final answer
x = 136,985.95
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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.