Finding the Fourth Proportional to 106,768.13, 160,248.78 and 56,890.35
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Solution
The fourth proportional to 106,768.13, 160,248.78 and 56,890.35 is: 85,386.99
Step by Step Solution
- Step 1: Write the proportion equation
106,768.13 : 160,248.78 = 56,890.35 : x - Step 2: Convert to fraction form
106,768.13/160,248.78 = 56,890.35/x - Step 3: Cross multiply
106,768.13x = 160,248.78 × 56,890.35 - Step 4: Simplify right side
106,768.13x = 9,116,609,181.27 - Step 5: Solve for x
x = 9,116,609,181.27/106,768.13 - Step 6: Final answer
x = 85,386.99
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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.