Finding the Fourth Proportional to 115,460.19, 159,317.97 and 70,114.59
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Solution
The fourth proportional to 115,460.19, 159,317.97 and 70,114.59 is: 96,747.75
Step by Step Solution
- Step 1: Write the proportion equation
115,460.19 : 159,317.97 = 70,114.59 : x - Step 2: Convert to fraction form
115,460.19/159,317.97 = 70,114.59/x - Step 3: Cross multiply
115,460.19x = 159,317.97 × 70,114.59 - Step 4: Simplify right side
115,460.19x = 11,170,514,146.18 - Step 5: Solve for x
x = 11,170,514,146.18/115,460.19 - Step 6: Final answer
x = 96,747.75
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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.