Finding the Fourth Proportional to 131,778.95, 197,574.46 and 61,619.99
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Solution
The fourth proportional to 131,778.95, 197,574.46 and 61,619.99 is: 92,386.04
Step by Step Solution
- Step 1: Write the proportion equation
131,778.95 : 197,574.46 = 61,619.99 : x - Step 2: Convert to fraction form
131,778.95/197,574.46 = 61,619.99/x - Step 3: Cross multiply
131,778.95x = 197,574.46 × 61,619.99 - Step 4: Simplify right side
131,778.95x = 12,174,535,107.53 - Step 5: Solve for x
x = 12,174,535,107.53/131,778.95 - Step 6: Final answer
x = 92,386.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.