Finding the Fourth Proportional to 124,112.16, 186,106.74 and 44,138.13
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Solution
The fourth proportional to 124,112.16, 186,106.74 and 44,138.13 is: 66,185.32
Step by Step Solution
- Step 1: Write the proportion equation
124,112.16 : 186,106.74 = 44,138.13 : x - Step 2: Convert to fraction form
124,112.16/186,106.74 = 44,138.13/x - Step 3: Cross multiply
124,112.16x = 186,106.74 × 44,138.13 - Step 4: Simplify right side
124,112.16x = 8,214,403,484.00 - Step 5: Solve for x
x = 8,214,403,484.00/124,112.16 - Step 6: Final answer
x = 66,185.32
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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.