Finding the Fourth Proportional to 148,207.64, 204,644.48 and 136,872.99
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Solution
The fourth proportional to 148,207.64, 204,644.48 and 136,872.99 is: 188,993.65
Step by Step Solution
- Step 1: Write the proportion equation
148,207.64 : 204,644.48 = 136,872.99 : x - Step 2: Convert to fraction form
148,207.64/204,644.48 = 136,872.99/x - Step 3: Cross multiply
148,207.64x = 204,644.48 × 136,872.99 - Step 4: Simplify right side
148,207.64x = 28,010,301,180.23 - Step 5: Solve for x
x = 28,010,301,180.23/148,207.64 - Step 6: Final answer
x = 188,993.65
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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.