Finding the Fourth Proportional to 109,132.47, 163,786.19 and 56,556.99
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Solution
The fourth proportional to 109,132.47, 163,786.19 and 56,556.99 is: 84,880.82
Step by Step Solution
- Step 1: Write the proportion equation
109,132.47 : 163,786.19 = 56,556.99 : x - Step 2: Convert to fraction form
109,132.47/163,786.19 = 56,556.99/x - Step 3: Cross multiply
109,132.47x = 163,786.19 × 56,556.99 - Step 4: Simplify right side
109,132.47x = 9,263,253,627.18 - Step 5: Solve for x
x = 9,263,253,627.18/109,132.47 - Step 6: Final answer
x = 84,880.82
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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.