Finding the Fourth Proportional to 106,543.08, 146,896.48 and 68,239.65
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Solution
The fourth proportional to 106,543.08, 146,896.48 and 68,239.65 is: 94,085.55
Step by Step Solution
- Step 1: Write the proportion equation
106,543.08 : 146,896.48 = 68,239.65 : x - Step 2: Convert to fraction form
106,543.08/146,896.48 = 68,239.65/x - Step 3: Cross multiply
106,543.08x = 146,896.48 × 68,239.65 - Step 4: Simplify right side
106,543.08x = 10,024,164,210.83 - Step 5: Solve for x
x = 10,024,164,210.83/106,543.08 - Step 6: Final answer
x = 94,085.55
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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.