Finding the Fourth Proportional to 181,251.08, 250,126.36 and 100,686.11
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Solution
The fourth proportional to 181,251.08, 250,126.36 and 100,686.11 is: 138,946.75
Step by Step Solution
- Step 1: Write the proportion equation
181,251.08 : 250,126.36 = 100,686.11 : x - Step 2: Convert to fraction form
181,251.08/250,126.36 = 100,686.11/x - Step 3: Cross multiply
181,251.08x = 250,126.36 × 100,686.11 - Step 4: Simplify right side
181,251.08x = 25,184,248,694.51 - Step 5: Solve for x
x = 25,184,248,694.51/181,251.08 - Step 6: Final answer
x = 138,946.75
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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.