Finding the Fourth Proportional to 117,513.99, 162,169.14 and 63,798.99
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Solution
The fourth proportional to 117,513.99, 162,169.14 and 63,798.99 is: 88,042.52
Step by Step Solution
- Step 1: Write the proportion equation
117,513.99 : 162,169.14 = 63,798.99 : x - Step 2: Convert to fraction form
117,513.99/162,169.14 = 63,798.99/x - Step 3: Cross multiply
117,513.99x = 162,169.14 × 63,798.99 - Step 4: Simplify right side
117,513.99x = 10,346,227,525.61 - Step 5: Solve for x
x = 10,346,227,525.61/117,513.99 - Step 6: Final answer
x = 88,042.52
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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.