Finding the Fourth Proportional to 110,922.18, 153,099.80 and 63,203.65
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Solution
The fourth proportional to 110,922.18, 153,099.80 and 63,203.65 is: 87,236.53
Step by Step Solution
- Step 1: Write the proportion equation
110,922.18 : 153,099.80 = 63,203.65 : x - Step 2: Convert to fraction form
110,922.18/153,099.80 = 63,203.65/x - Step 3: Cross multiply
110,922.18x = 153,099.80 × 63,203.65 - Step 4: Simplify right side
110,922.18x = 9,676,466,174.27 - Step 5: Solve for x
x = 9,676,466,174.27/110,922.18 - Step 6: Final answer
x = 87,236.53
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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.