Finding the Fourth Proportional to 131,186.08, 181,038.88 and 71,570.08
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Solution
The fourth proportional to 131,186.08, 181,038.88 and 71,570.08 is: 98,767.85
Step by Step Solution
- Step 1: Write the proportion equation
131,186.08 : 181,038.88 = 71,570.08 : x - Step 2: Convert to fraction form
131,186.08/181,038.88 = 71,570.08/x - Step 3: Cross multiply
131,186.08x = 181,038.88 × 71,570.08 - Step 4: Simplify right side
131,186.08x = 12,956,967,124.71 - Step 5: Solve for x
x = 12,956,967,124.71/131,186.08 - Step 6: Final answer
x = 98,767.85
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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.