Finding the Fourth Proportional to 106,309.08, 146,704.82 and 60,985.08
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Solution
The fourth proportional to 106,309.08, 146,704.82 and 60,985.08 is: 84,158.43
Step by Step Solution
- Step 1: Write the proportion equation
106,309.08 : 146,704.82 = 60,985.08 : x - Step 2: Convert to fraction form
106,309.08/146,704.82 = 60,985.08/x - Step 3: Cross multiply
106,309.08x = 146,704.82 × 60,985.08 - Step 4: Simplify right side
106,309.08x = 8,946,805,184.09 - Step 5: Solve for x
x = 8,946,805,184.09/106,309.08 - Step 6: Final answer
x = 84,158.43
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1.5x scale
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.