Finding the Fourth Proportional to 102,130.83, 153,201.11 and 32,010.75
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Solution
The fourth proportional to 102,130.83, 153,201.11 and 32,010.75 is: 48,017.65
Step by Step Solution
- Step 1: Write the proportion equation
102,130.83 : 153,201.11 = 32,010.75 : x - Step 2: Convert to fraction form
102,130.83/153,201.11 = 32,010.75/x - Step 3: Cross multiply
102,130.83x = 153,201.11 × 32,010.75 - Step 4: Simplify right side
102,130.83x = 4,904,082,271.88 - Step 5: Solve for x
x = 4,904,082,271.88/102,130.83 - Step 6: Final answer
x = 48,017.65
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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.