Finding the Fourth Proportional to 113,159.58, 156,162.84 and 62,175.50
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Solution
The fourth proportional to 113,159.58, 156,162.84 and 62,175.50 is: 85,803.62
Step by Step Solution
- Step 1: Write the proportion equation
113,159.58 : 156,162.84 = 62,175.50 : x - Step 2: Convert to fraction form
113,159.58/156,162.84 = 62,175.50/x - Step 3: Cross multiply
113,159.58x = 156,162.84 × 62,175.50 - Step 4: Simplify right side
113,159.58x = 9,709,502,230.06 - Step 5: Solve for x
x = 9,709,502,230.06/113,159.58 - Step 6: Final answer
x = 85,803.62
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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.