Finding the Fourth Proportional to 143,129.24, 197,193.44 and 110,752.54
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Solution
The fourth proportional to 143,129.24, 197,193.44 and 110,752.54 is: 152,587.09
Step by Step Solution
- Step 1: Write the proportion equation
143,129.24 : 197,193.44 = 110,752.54 : x - Step 2: Convert to fraction form
143,129.24/197,193.44 = 110,752.54/x - Step 3: Cross multiply
143,129.24x = 197,193.44 × 110,752.54 - Step 4: Simplify right side
143,129.24x = 21,839,674,351.34 - Step 5: Solve for x
x = 21,839,674,351.34/143,129.24 - Step 6: Final answer
x = 152,587.09
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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.