Finding the Fourth Proportional to 156,842.98, 235,132.22 and 68,029.62
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Solution
The fourth proportional to 156,842.98, 235,132.22 and 68,029.62 is: 101,987.07
Step by Step Solution
- Step 1: Write the proportion equation
156,842.98 : 235,132.22 = 68,029.62 : x - Step 2: Convert to fraction form
156,842.98/235,132.22 = 68,029.62/x - Step 3: Cross multiply
156,842.98x = 235,132.22 × 68,029.62 - Step 4: Simplify right side
156,842.98x = 15,995,955,804.64 - Step 5: Solve for x
x = 15,995,955,804.64/156,842.98 - Step 6: Final answer
x = 101,987.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.