Finding the Fourth Proportional to 106,710.41, 147,329.07 and 68,486.42
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Solution
The fourth proportional to 106,710.41, 147,329.07 and 68,486.42 is: 94,555.35
Step by Step Solution
- Step 1: Write the proportion equation
106,710.41 : 147,329.07 = 68,486.42 : x - Step 2: Convert to fraction form
106,710.41/147,329.07 = 68,486.42/x - Step 3: Cross multiply
106,710.41x = 147,329.07 × 68,486.42 - Step 4: Simplify right side
106,710.41x = 10,090,040,566.23 - Step 5: Solve for x
x = 10,090,040,566.23/106,710.41 - Step 6: Final answer
x = 94,555.35
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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.