Finding the Fourth Proportional to 130,358.55, 179,801.85 and 119,637.97
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Solution
The fourth proportional to 130,358.55, 179,801.85 and 119,637.97 is: 165,015.09
Step by Step Solution
- Step 1: Write the proportion equation
130,358.55 : 179,801.85 = 119,637.97 : x - Step 2: Convert to fraction form
130,358.55/179,801.85 = 119,637.97/x - Step 3: Cross multiply
130,358.55x = 179,801.85 × 119,637.97 - Step 4: Simplify right side
130,358.55x = 21,511,128,336.24 - Step 5: Solve for x
x = 21,511,128,336.24/130,358.55 - Step 6: Final answer
x = 165,015.09
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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.