Finding the Fourth Proportional to 161,798.68, 223,276.08 and 93,818.52
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Solution
The fourth proportional to 161,798.68, 223,276.08 and 93,818.52 is: 129,466.02
Step by Step Solution
- Step 1: Write the proportion equation
161,798.68 : 223,276.08 = 93,818.52 : x - Step 2: Convert to fraction form
161,798.68/223,276.08 = 93,818.52/x - Step 3: Cross multiply
161,798.68x = 223,276.08 × 93,818.52 - Step 4: Simplify right side
161,798.68x = 20,947,431,377.00 - Step 5: Solve for x
x = 20,947,431,377.00/161,798.68 - Step 6: Final answer
x = 129,466.02
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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.