Finding the Fourth Proportional to 108,544.96, 149,717.26 and 76,347.87
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Solution
The fourth proportional to 108,544.96, 149,717.26 and 76,347.87 is: 105,307.45
Step by Step Solution
- Step 1: Write the proportion equation
108,544.96 : 149,717.26 = 76,347.87 : x - Step 2: Convert to fraction form
108,544.96/149,717.26 = 76,347.87/x - Step 3: Cross multiply
108,544.96x = 149,717.26 × 76,347.87 - Step 4: Simplify right side
108,544.96x = 11,430,593,437.23 - Step 5: Solve for x
x = 11,430,593,437.23/108,544.96 - Step 6: Final answer
x = 105,307.45
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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.