Finding the Fourth Proportional to 156,855.44, 216,248.52 and 106,466.96
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Solution
The fourth proportional to 156,855.44, 216,248.52 and 106,466.96 is: 146,780.52
Step by Step Solution
- Step 1: Write the proportion equation
156,855.44 : 216,248.52 = 106,466.96 : x - Step 2: Convert to fraction form
156,855.44/216,248.52 = 106,466.96/x - Step 3: Cross multiply
156,855.44x = 216,248.52 × 106,466.96 - Step 4: Simplify right side
156,855.44x = 23,023,322,528.90 - Step 5: Solve for x
x = 23,023,322,528.90/156,855.44 - Step 6: Final answer
x = 146,780.52
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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.