Finding the Fourth Proportional to 117,898.74, 162,423.63 and 82,027.08
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Solution
The fourth proportional to 117,898.74, 162,423.63 and 82,027.08 is: 113,004.91
Step by Step Solution
- Step 1: Write the proportion equation
117,898.74 : 162,423.63 = 82,027.08 : x - Step 2: Convert to fraction form
117,898.74/162,423.63 = 82,027.08/x - Step 3: Cross multiply
117,898.74x = 162,423.63 × 82,027.08 - Step 4: Simplify right side
117,898.74x = 13,323,136,091.90 - Step 5: Solve for x
x = 13,323,136,091.90/117,898.74 - Step 6: Final answer
x = 113,004.91
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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.