Finding the Fourth Proportional to 110,035.87, 151,925.12 and 74,275.99
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Solution
The fourth proportional to 110,035.87, 151,925.12 and 74,275.99 is: 102,551.91
Step by Step Solution
- Step 1: Write the proportion equation
110,035.87 : 151,925.12 = 74,275.99 : x - Step 2: Convert to fraction form
110,035.87/151,925.12 = 74,275.99/x - Step 3: Cross multiply
110,035.87x = 151,925.12 × 74,275.99 - Step 4: Simplify right side
110,035.87x = 11,284,388,221.21 - Step 5: Solve for x
x = 11,284,388,221.21/110,035.87 - Step 6: Final answer
x = 102,551.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.