Finding the Fourth Proportional to 117,654.06, 162,366.51 and 69,247.21
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Solution
The fourth proportional to 117,654.06, 162,366.51 and 69,247.21 is: 95,563.45
Step by Step Solution
- Step 1: Write the proportion equation
117,654.06 : 162,366.51 = 69,247.21 : x - Step 2: Convert to fraction form
117,654.06/162,366.51 = 69,247.21/x - Step 3: Cross multiply
117,654.06x = 162,366.51 × 69,247.21 - Step 4: Simplify right side
117,654.06x = 11,243,427,814.94 - Step 5: Solve for x
x = 11,243,427,814.94/117,654.06 - Step 6: Final answer
x = 95,563.45
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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.