Finding the Fourth Proportional to 113,998.62, 157,326.23 and 63,010.26
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Solution
The fourth proportional to 113,998.62, 157,326.23 and 63,010.26 is: 86,958.65
Step by Step Solution
- Step 1: Write the proportion equation
113,998.62 : 157,326.23 = 63,010.26 : x - Step 2: Convert to fraction form
113,998.62/157,326.23 = 63,010.26/x - Step 3: Cross multiply
113,998.62x = 157,326.23 × 63,010.26 - Step 4: Simplify right side
113,998.62x = 9,913,165,555.44 - Step 5: Solve for x
x = 9,913,165,555.44/113,998.62 - Step 6: Final answer
x = 86,958.65
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1.5x scale
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.