Finding the Fourth Proportional to 99,985.08, 149,902.92 and 60,532.68
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Solution
The fourth proportional to 99,985.08, 149,902.92 and 60,532.68 is: 90,753.80
Step by Step Solution
- Step 1: Write the proportion equation
99,985.08 : 149,902.92 = 60,532.68 : x - Step 2: Convert to fraction form
99,985.08/149,902.92 = 60,532.68/x - Step 3: Cross multiply
99,985.08x = 149,902.92 × 60,532.68 - Step 4: Simplify right side
99,985.08x = 9,074,025,487.43 - Step 5: Solve for x
x = 9,074,025,487.43/99,985.08 - Step 6: Final answer
x = 90,753.80
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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.