Finding the Fourth Proportional to 163,080.99, 225,076.37 and 99,455.70
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Solution
The fourth proportional to 163,080.99, 225,076.37 and 99,455.70 is: 137,263.87
Step by Step Solution
- Step 1: Write the proportion equation
163,080.99 : 225,076.37 = 99,455.70 : x - Step 2: Convert to fraction form
163,080.99/225,076.37 = 99,455.70/x - Step 3: Cross multiply
163,080.99x = 225,076.37 × 99,455.70 - Step 4: Simplify right side
163,080.99x = 22,385,127,931.81 - Step 5: Solve for x
x = 22,385,127,931.81/163,080.99 - Step 6: Final answer
x = 137,263.87
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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.