Finding the Fourth Proportional to 106,822.80, 160,329.29 and 56,944.08
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Solution
The fourth proportional to 106,822.80, 160,329.29 and 56,944.08 is: 85,466.81
Step by Step Solution
- Step 1: Write the proportion equation
106,822.80 : 160,329.29 = 56,944.08 : x - Step 2: Convert to fraction form
106,822.80/160,329.29 = 56,944.08/x - Step 3: Cross multiply
106,822.80x = 160,329.29 × 56,944.08 - Step 4: Simplify right side
106,822.80x = 9,129,803,631.38 - Step 5: Solve for x
x = 9,129,803,631.38/106,822.80 - Step 6: Final answer
x = 85,466.81
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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.