Finding the Fourth Proportional to 106,950.21, 147,589.49 and 59,202.54
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Solution
The fourth proportional to 106,950.21, 147,589.49 and 59,202.54 is: 81,698.51
Step by Step Solution
- Step 1: Write the proportion equation
106,950.21 : 147,589.49 = 59,202.54 : x - Step 2: Convert to fraction form
106,950.21/147,589.49 = 59,202.54/x - Step 3: Cross multiply
106,950.21x = 147,589.49 × 59,202.54 - Step 4: Simplify right side
106,950.21x = 8,737,672,389.29 - Step 5: Solve for x
x = 8,737,672,389.29/106,950.21 - Step 6: Final answer
x = 81,698.51
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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.