Finding the Fourth Proportional to 130,119.18, 194,638.84 and 122,147.57
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Solution
The fourth proportional to 130,119.18, 194,638.84 and 122,147.57 is: 182,714.50
Step by Step Solution
- Step 1: Write the proportion equation
130,119.18 : 194,638.84 = 122,147.57 : x - Step 2: Convert to fraction form
130,119.18/194,638.84 = 122,147.57/x - Step 3: Cross multiply
130,119.18x = 194,638.84 × 122,147.57 - Step 4: Simplify right side
130,119.18x = 23,774,661,333.62 - Step 5: Solve for x
x = 23,774,661,333.62/130,119.18 - Step 6: Final answer
x = 182,714.50
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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.