Finding the Fourth Proportional to 130,181.36, 179,653.32 and 73,596.08
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Solution
The fourth proportional to 130,181.36, 179,653.32 and 73,596.08 is: 101,564.31
Step by Step Solution
- Step 1: Write the proportion equation
130,181.36 : 179,653.32 = 73,596.08 : x - Step 2: Convert to fraction form
130,181.36/179,653.32 = 73,596.08/x - Step 3: Cross multiply
130,181.36x = 179,653.32 × 73,596.08 - Step 4: Simplify right side
130,181.36x = 13,221,780,110.99 - Step 5: Solve for x
x = 13,221,780,110.99/130,181.36 - Step 6: Final answer
x = 101,564.31
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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.