Finding the Fourth Proportional to 102,080.19, 153,119.94 and 26,178.65
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Solution
The fourth proportional to 102,080.19, 153,119.94 and 26,178.65 is: 39,267.88
Step by Step Solution
- Step 1: Write the proportion equation
102,080.19 : 153,119.94 = 26,178.65 : x - Step 2: Convert to fraction form
102,080.19/153,119.94 = 26,178.65/x - Step 3: Cross multiply
102,080.19x = 153,119.94 × 26,178.65 - Step 4: Simplify right side
102,080.19x = 4,008,472,420.79 - Step 5: Solve for x
x = 4,008,472,420.79/102,080.19 - Step 6: Final answer
x = 39,267.88
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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.