Finding the Fourth Proportional to 124,315.24, 171,575.61 and 73,340.45
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Solution
The fourth proportional to 124,315.24, 171,575.61 and 73,340.45 is: 101,221.96
Step by Step Solution
- Step 1: Write the proportion equation
124,315.24 : 171,575.61 = 73,340.45 : x - Step 2: Convert to fraction form
124,315.24/171,575.61 = 73,340.45/x - Step 3: Cross multiply
124,315.24x = 171,575.61 × 73,340.45 - Step 4: Simplify right side
124,315.24x = 12,583,432,231.96 - Step 5: Solve for x
x = 12,583,432,231.96/124,315.24 - Step 6: Final answer
x = 101,221.96
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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.