Finding the Fourth Proportional to 106,809.29, 160,178.70 and 39,325.76
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Solution
The fourth proportional to 106,809.29, 160,178.70 and 39,325.76 is: 58,975.67
Step by Step Solution
- Step 1: Write the proportion equation
106,809.29 : 160,178.70 = 39,325.76 : x - Step 2: Convert to fraction form
106,809.29/160,178.70 = 39,325.76/x - Step 3: Cross multiply
106,809.29x = 160,178.70 × 39,325.76 - Step 4: Simplify right side
106,809.29x = 6,299,149,113.31 - Step 5: Solve for x
x = 6,299,149,113.31/106,809.29 - Step 6: Final answer
x = 58,975.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.