Finding the Fourth Proportional to 107,239.76, 160,859.64 and 73,472.48
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Solution
The fourth proportional to 107,239.76, 160,859.64 and 73,472.48 is: 110,208.72
Step by Step Solution
- Step 1: Write the proportion equation
107,239.76 : 160,859.64 = 73,472.48 : x - Step 2: Convert to fraction form
107,239.76/160,859.64 = 73,472.48/x - Step 3: Cross multiply
107,239.76x = 160,859.64 × 73,472.48 - Step 4: Simplify right side
107,239.76x = 11,818,756,682.71 - Step 5: Solve for x
x = 11,818,756,682.71/107,239.76 - Step 6: Final answer
x = 110,208.72
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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.