Finding the Fourth Proportional to 101,344.14, 139,855.11 and 56,632.14
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Solution
The fourth proportional to 101,344.14, 139,855.11 and 56,632.14 is: 78,152.46
Step by Step Solution
- Step 1: Write the proportion equation
101,344.14 : 139,855.11 = 56,632.14 : x - Step 2: Convert to fraction form
101,344.14/139,855.11 = 56,632.14/x - Step 3: Cross multiply
101,344.14x = 139,855.11 × 56,632.14 - Step 4: Simplify right side
101,344.14x = 7,920,294,169.24 - Step 5: Solve for x
x = 7,920,294,169.24/101,344.14 - Step 6: Final answer
x = 78,152.46
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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.