Finding the Fourth Proportional to 118,276.71, 163,197.50 and 67,965.99
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Solution
The fourth proportional to 118,276.71, 163,197.50 and 67,965.99 is: 93,779.07
Step by Step Solution
- Step 1: Write the proportion equation
118,276.71 : 163,197.50 = 67,965.99 : x - Step 2: Convert to fraction form
118,276.71/163,197.50 = 67,965.99/x - Step 3: Cross multiply
118,276.71x = 163,197.50 × 67,965.99 - Step 4: Simplify right side
118,276.71x = 11,091,879,313.20 - Step 5: Solve for x
x = 11,091,879,313.20/118,276.71 - Step 6: Final answer
x = 93,779.07
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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.