Finding the Fourth Proportional to 106,569.14, 147,118.68 and 66,295.94
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Solution
The fourth proportional to 106,569.14, 147,118.68 and 66,295.94 is: 91,521.53
Step by Step Solution
- Step 1: Write the proportion equation
106,569.14 : 147,118.68 = 66,295.94 : x - Step 2: Convert to fraction form
106,569.14/147,118.68 = 66,295.94/x - Step 3: Cross multiply
106,569.14x = 147,118.68 × 66,295.94 - Step 4: Simplify right side
106,569.14x = 9,753,370,446.57 - Step 5: Solve for x
x = 9,753,370,446.57/106,569.14 - Step 6: Final answer
x = 91,521.53
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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.