Finding the Fourth Proportional to 125,157.99, 172,883.66 and 93,271.53
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Solution
The fourth proportional to 125,157.99, 172,883.66 and 93,271.53 is: 128,838.14
Step by Step Solution
- Step 1: Write the proportion equation
125,157.99 : 172,883.66 = 93,271.53 : x - Step 2: Convert to fraction form
125,157.99/172,883.66 = 93,271.53/x - Step 3: Cross multiply
125,157.99x = 172,883.66 × 93,271.53 - Step 4: Simplify right side
125,157.99x = 16,125,123,013.84 - Step 5: Solve for x
x = 16,125,123,013.84/125,157.99 - Step 6: Final answer
x = 128,838.14
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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.