Finding the Fourth Proportional to 118,139.24, 177,062.94 and 101,381.48
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Solution
The fourth proportional to 118,139.24, 177,062.94 and 101,381.48 is: 151,947.00
Step by Step Solution
- Step 1: Write the proportion equation
118,139.24 : 177,062.94 = 101,381.48 : x - Step 2: Convert to fraction form
118,139.24/177,062.94 = 101,381.48/x - Step 3: Cross multiply
118,139.24x = 177,062.94 × 101,381.48 - Step 4: Simplify right side
118,139.24x = 17,950,902,910.35 - Step 5: Solve for x
x = 17,950,902,910.35/118,139.24 - Step 6: Final answer
x = 151,947.00
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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.