Finding the Fourth Proportional to 124,027.20, 186,040.80 and 109,252.80
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Solution
The fourth proportional to 124,027.20, 186,040.80 and 109,252.80 is: 163,879.20
Step by Step Solution
- Step 1: Write the proportion equation
124,027.20 : 186,040.80 = 109,252.80 : x - Step 2: Convert to fraction form
124,027.20/186,040.80 = 109,252.80/x - Step 3: Cross multiply
124,027.20x = 186,040.80 × 109,252.80 - Step 4: Simplify right side
124,027.20x = 20,325,478,314.24 - Step 5: Solve for x
x = 20,325,478,314.24/124,027.20 - Step 6: Final answer
x = 163,879.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.