Finding the Fourth Proportional to 117,477.36, 162,118.98 and 67,176.36
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Solution
The fourth proportional to 117,477.36, 162,118.98 and 67,176.36 is: 92,703.50
Step by Step Solution
- Step 1: Write the proportion equation
117,477.36 : 162,118.98 = 67,176.36 : x - Step 2: Convert to fraction form
117,477.36/162,118.98 = 67,176.36/x - Step 3: Cross multiply
117,477.36x = 162,118.98 × 67,176.36 - Step 4: Simplify right side
117,477.36x = 10,890,562,963.31 - Step 5: Solve for x
x = 10,890,562,963.31/117,477.36 - Step 6: Final answer
x = 92,703.50
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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.