Finding the Fourth Proportional to 110,954.58, 153,079.92 and 63,174.12
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Solution
The fourth proportional to 110,954.58, 153,079.92 and 63,174.12 is: 87,158.99
Step by Step Solution
- Step 1: Write the proportion equation
110,954.58 : 153,079.92 = 63,174.12 : x - Step 2: Convert to fraction form
110,954.58/153,079.92 = 63,174.12/x - Step 3: Cross multiply
110,954.58x = 153,079.92 × 63,174.12 - Step 4: Simplify right side
110,954.58x = 9,670,689,235.67 - Step 5: Solve for x
x = 9,670,689,235.67/110,954.58 - Step 6: Final answer
x = 87,158.99
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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.