Finding the Fourth Proportional to 122,600.12, 169,282.68 and 98,832.92
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Solution
The fourth proportional to 122,600.12, 169,282.68 and 98,832.92 is: 136,465.62
Step by Step Solution
- Step 1: Write the proportion equation
122,600.12 : 169,282.68 = 98,832.92 : x - Step 2: Convert to fraction form
122,600.12/169,282.68 = 98,832.92/x - Step 3: Cross multiply
122,600.12x = 169,282.68 × 98,832.92 - Step 4: Simplify right side
122,600.12x = 16,730,701,569.83 - Step 5: Solve for x
x = 16,730,701,569.83/122,600.12 - Step 6: Final answer
x = 136,465.62
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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.