Finding the Fourth Proportional to 107,510.08, 161,157.12 and 40,933.12
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Solution
The fourth proportional to 107,510.08, 161,157.12 and 40,933.12 is: 61,358.56
Step by Step Solution
- Step 1: Write the proportion equation
107,510.08 : 161,157.12 = 40,933.12 : x - Step 2: Convert to fraction form
107,510.08/161,157.12 = 40,933.12/x - Step 3: Cross multiply
107,510.08x = 161,157.12 × 40,933.12 - Step 4: Simplify right side
107,510.08x = 6,596,663,731.81 - Step 5: Solve for x
x = 6,596,663,731.81/107,510.08 - Step 6: Final answer
x = 61,358.56
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1.5x scale
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.