Finding the Fourth Proportional to 102,750.19, 154,125.59 and 40,420.69
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Solution
The fourth proportional to 102,750.19, 154,125.59 and 40,420.69 is: 60,631.15
Step by Step Solution
- Step 1: Write the proportion equation
102,750.19 : 154,125.59 = 40,420.69 : x - Step 2: Convert to fraction form
102,750.19/154,125.59 = 40,420.69/x - Step 3: Cross multiply
102,750.19x = 154,125.59 × 40,420.69 - Step 4: Simplify right side
102,750.19x = 6,229,862,107.04 - Step 5: Solve for x
x = 6,229,862,107.04/102,750.19 - Step 6: Final answer
x = 60,631.15
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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.