Finding the Fourth Proportional to 124,448.36, 185,879.29 and 112,583.96
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Solution
The fourth proportional to 124,448.36, 185,879.29 and 112,583.96 is: 168,158.32
Step by Step Solution
- Step 1: Write the proportion equation
124,448.36 : 185,879.29 = 112,583.96 : x - Step 2: Convert to fraction form
124,448.36/185,879.29 = 112,583.96/x - Step 3: Cross multiply
124,448.36x = 185,879.29 × 112,583.96 - Step 4: Simplify right side
124,448.36x = 20,927,026,550.19 - Step 5: Solve for x
x = 20,927,026,550.19/124,448.36 - Step 6: Final answer
x = 168,158.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.