Finding the Fourth Proportional to 117,689.24, 162,406.67 and 63,973.14
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Solution
The fourth proportional to 117,689.24, 162,406.67 and 63,973.14 is: 88,280.50
Step by Step Solution
- Step 1: Write the proportion equation
117,689.24 : 162,406.67 = 63,973.14 : x - Step 2: Convert to fraction form
117,689.24/162,406.67 = 63,973.14/x - Step 3: Cross multiply
117,689.24x = 162,406.67 × 63,973.14 - Step 4: Simplify right side
117,689.24x = 10,389,664,316.98 - Step 5: Solve for x
x = 10,389,664,316.98/117,689.24 - Step 6: Final answer
x = 88,280.50
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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.