Finding the Fourth Proportional to 102,995.70, 154,378.35 and 58,643.70
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Solution
The fourth proportional to 102,995.70, 154,378.35 and 58,643.70 is: 87,899.96
Step by Step Solution
- Step 1: Write the proportion equation
102,995.70 : 154,378.35 = 58,643.70 : x - Step 2: Convert to fraction form
102,995.70/154,378.35 = 58,643.70/x - Step 3: Cross multiply
102,995.70x = 154,378.35 × 58,643.70 - Step 4: Simplify right side
102,995.70x = 9,053,317,643.90 - Step 5: Solve for x
x = 9,053,317,643.90/102,995.70 - Step 6: Final answer
x = 87,899.96
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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.