Finding the Fourth Proportional to 102,525.20, 153,787.80 and 94,230.80
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Solution
The fourth proportional to 102,525.20, 153,787.80 and 94,230.80 is: 141,346.20
Step by Step Solution
- Step 1: Write the proportion equation
102,525.20 : 153,787.80 = 94,230.80 : x - Step 2: Convert to fraction form
102,525.20/153,787.80 = 94,230.80/x - Step 3: Cross multiply
102,525.20x = 153,787.80 × 94,230.80 - Step 4: Simplify right side
102,525.20x = 14,491,547,424.24 - Step 5: Solve for x
x = 14,491,547,424.24/102,525.20 - Step 6: Final answer
x = 141,346.20
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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.