Finding the Fourth Proportional to 137,319.80, 205,542.30 and 97,953.80
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Solution
The fourth proportional to 137,319.80, 205,542.30 and 97,953.80 is: 146,618.69
Step by Step Solution
- Step 1: Write the proportion equation
137,319.80 : 205,542.30 = 97,953.80 : x - Step 2: Convert to fraction form
137,319.80/205,542.30 = 97,953.80/x - Step 3: Cross multiply
137,319.80x = 205,542.30 × 97,953.80 - Step 4: Simplify right side
137,319.80x = 20,133,649,345.74 - Step 5: Solve for x
x = 20,133,649,345.74/137,319.80 - Step 6: Final answer
x = 146,618.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.