Finding the Fourth Proportional to 120,008.98, 165,632.61 and 69,737.14
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Solution
The fourth proportional to 120,008.98, 165,632.61 and 69,737.14 is: 96,249.00
Step by Step Solution
- Step 1: Write the proportion equation
120,008.98 : 165,632.61 = 69,737.14 : x - Step 2: Convert to fraction form
120,008.98/165,632.61 = 69,737.14/x - Step 3: Cross multiply
120,008.98x = 165,632.61 × 69,737.14 - Step 4: Simplify right side
120,008.98x = 11,550,744,512.14 - Step 5: Solve for x
x = 11,550,744,512.14/120,008.98 - Step 6: Final answer
x = 96,249.00
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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.