Finding the Fourth Proportional to 117,358.99, 161,952.55 and 67,054.75
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Solution
The fourth proportional to 117,358.99, 161,952.55 and 67,054.75 is: 92,533.92
Step by Step Solution
- Step 1: Write the proportion equation
117,358.99 : 161,952.55 = 67,054.75 : x - Step 2: Convert to fraction form
117,358.99/161,952.55 = 67,054.75/x - Step 3: Cross multiply
117,358.99x = 161,952.55 × 67,054.75 - Step 4: Simplify right side
117,358.99x = 10,859,687,752.11 - Step 5: Solve for x
x = 10,859,687,752.11/117,358.99 - Step 6: Final answer
x = 92,533.92
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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.