Finding the Fourth Proportional to 102,115.08, 153,163.80 and 35,543.88
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Solution
The fourth proportional to 102,115.08, 153,163.80 and 35,543.88 is: 53,312.75
Step by Step Solution
- Step 1: Write the proportion equation
102,115.08 : 153,163.80 = 35,543.88 : x - Step 2: Convert to fraction form
102,115.08/153,163.80 = 35,543.88/x - Step 3: Cross multiply
102,115.08x = 153,163.80 × 35,543.88 - Step 4: Simplify right side
102,115.08x = 5,444,035,727.54 - Step 5: Solve for x
x = 5,444,035,727.54/102,115.08 - Step 6: Final answer
x = 53,312.75
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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.