Finding the Fourth Proportional to 110,110.76, 151,808.26 and 79,458.13
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Solution
The fourth proportional to 110,110.76, 151,808.26 and 79,458.13 is: 109,547.88
Step by Step Solution
- Step 1: Write the proportion equation
110,110.76 : 151,808.26 = 79,458.13 : x - Step 2: Convert to fraction form
110,110.76/151,808.26 = 79,458.13/x - Step 3: Cross multiply
110,110.76x = 151,808.26 × 79,458.13 - Step 4: Simplify right side
110,110.76x = 12,062,400,458.15 - Step 5: Solve for x
x = 12,062,400,458.15/110,110.76 - Step 6: Final answer
x = 109,547.88
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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.