Finding the Fourth Proportional to 117,246.62, 161,800.07 and 63,533.09
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Solution
The fourth proportional to 117,246.62, 161,800.07 and 63,533.09 is: 87,675.51
Step by Step Solution
- Step 1: Write the proportion equation
117,246.62 : 161,800.07 = 63,533.09 : x - Step 2: Convert to fraction form
117,246.62/161,800.07 = 63,533.09/x - Step 3: Cross multiply
117,246.62x = 161,800.07 × 63,533.09 - Step 4: Simplify right side
117,246.62x = 10,279,657,282.65 - Step 5: Solve for x
x = 10,279,657,282.65/117,246.62 - Step 6: Final answer
x = 87,675.51
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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.