Finding the Fourth Proportional to 112,175.36, 168,239.20 and 42,059.84
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Solution
The fourth proportional to 112,175.36, 168,239.20 and 42,059.84 is: 63,080.82
Step by Step Solution
- Step 1: Write the proportion equation
112,175.36 : 168,239.20 = 42,059.84 : x - Step 2: Convert to fraction form
112,175.36/168,239.20 = 42,059.84/x - Step 3: Cross multiply
112,175.36x = 168,239.20 × 42,059.84 - Step 4: Simplify right side
112,175.36x = 7,076,113,833.73 - Step 5: Solve for x
x = 7,076,113,833.73/112,175.36 - Step 6: Final answer
x = 63,080.82
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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.