Finding the Fourth Proportional to 108,350.84, 149,540.10 and 65,901.17
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Solution
The fourth proportional to 108,350.84, 149,540.10 and 65,901.17 is: 90,953.31
Step by Step Solution
- Step 1: Write the proportion equation
108,350.84 : 149,540.10 = 65,901.17 : x - Step 2: Convert to fraction form
108,350.84/149,540.10 = 65,901.17/x - Step 3: Cross multiply
108,350.84x = 149,540.10 × 65,901.17 - Step 4: Simplify right side
108,350.84x = 9,854,867,551.92 - Step 5: Solve for x
x = 9,854,867,551.92/108,350.84 - Step 6: Final answer
x = 90,953.31
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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.