Finding the Fourth Proportional to 136,752.13, 205,060.65 and 41,959.63
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Solution
The fourth proportional to 136,752.13, 205,060.65 and 41,959.63 is: 62,918.72
Step by Step Solution
- Step 1: Write the proportion equation
136,752.13 : 205,060.65 = 41,959.63 : x - Step 2: Convert to fraction form
136,752.13/205,060.65 = 41,959.63/x - Step 3: Cross multiply
136,752.13x = 205,060.65 × 41,959.63 - Step 4: Simplify right side
136,752.13x = 8,604,269,001.56 - Step 5: Solve for x
x = 8,604,269,001.56/136,752.13 - Step 6: Final answer
x = 62,918.72
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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.