Finding the Fourth Proportional to 125,157.49, 172,882.97 and 93,271.03
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Solution
The fourth proportional to 125,157.49, 172,882.97 and 93,271.03 is: 128,837.46
Step by Step Solution
- Step 1: Write the proportion equation
125,157.49 : 172,882.97 = 93,271.03 : x - Step 2: Convert to fraction form
125,157.49/172,882.97 = 93,271.03/x - Step 3: Cross multiply
125,157.49x = 172,882.97 × 93,271.03 - Step 4: Simplify right side
125,157.49x = 16,124,972,681.36 - Step 5: Solve for x
x = 16,124,972,681.36/125,157.49 - Step 6: Final answer
x = 128,837.46
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1.5x scale
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.