Finding the Fourth Proportional to 106,621.53, 160,014.92 and 40,122.15
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Solution
The fourth proportional to 106,621.53, 160,014.92 and 40,122.15 is: 60,214.32
Step by Step Solution
- Step 1: Write the proportion equation
106,621.53 : 160,014.92 = 40,122.15 : x - Step 2: Convert to fraction form
106,621.53/160,014.92 = 40,122.15/x - Step 3: Cross multiply
106,621.53x = 160,014.92 × 40,122.15 - Step 4: Simplify right side
106,621.53x = 6,420,142,421.87 - Step 5: Solve for x
x = 6,420,142,421.87/106,621.53 - Step 6: Final answer
x = 60,214.32
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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.