Finding the Fourth Proportional to 106,424.64, 159,529.14 and 69,008.44
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Solution
The fourth proportional to 106,424.64, 159,529.14 and 69,008.44 is: 103,442.75
Step by Step Solution
- Step 1: Write the proportion equation
106,424.64 : 159,529.14 = 69,008.44 : x - Step 2: Convert to fraction form
106,424.64/159,529.14 = 69,008.44/x - Step 3: Cross multiply
106,424.64x = 159,529.14 × 69,008.44 - Step 4: Simplify right side
106,424.64x = 11,008,857,085.94 - Step 5: Solve for x
x = 11,008,857,085.94/106,424.64 - Step 6: Final answer
x = 103,442.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.