Finding the Fourth Proportional to 108,953.32, 150,294.90 and 101,246.99
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Solution
The fourth proportional to 108,953.32, 150,294.90 and 101,246.99 is: 139,664.46
Step by Step Solution
- Step 1: Write the proportion equation
108,953.32 : 150,294.90 = 101,246.99 : x - Step 2: Convert to fraction form
108,953.32/150,294.90 = 101,246.99/x - Step 3: Cross multiply
108,953.32x = 150,294.90 × 101,246.99 - Step 4: Simplify right side
108,953.32x = 15,216,906,710.96 - Step 5: Solve for x
x = 15,216,906,710.96/108,953.32 - Step 6: Final answer
x = 139,664.46
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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.