Finding the Fourth Proportional to 156,843.08, 235,132.37 and 68,029.70
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Solution
The fourth proportional to 156,843.08, 235,132.37 and 68,029.70 is: 101,987.18
Step by Step Solution
- Step 1: Write the proportion equation
156,843.08 : 235,132.37 = 68,029.70 : x - Step 2: Convert to fraction form
156,843.08/235,132.37 = 68,029.70/x - Step 3: Cross multiply
156,843.08x = 235,132.37 × 68,029.70 - Step 4: Simplify right side
156,843.08x = 15,995,983,075.58 - Step 5: Solve for x
x = 15,995,983,075.58/156,843.08 - Step 6: Final answer
x = 101,987.18
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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.