Finding the Fourth Proportional to 138,734.99, 208,118.48 and 48,750.06
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Solution
The fourth proportional to 138,734.99, 208,118.48 and 48,750.06 is: 73,130.71
Step by Step Solution
- Step 1: Write the proportion equation
138,734.99 : 208,118.48 = 48,750.06 : x - Step 2: Convert to fraction form
138,734.99/208,118.48 = 48,750.06/x - Step 3: Cross multiply
138,734.99x = 208,118.48 × 48,750.06 - Step 4: Simplify right side
138,734.99x = 10,145,788,143.36 - Step 5: Solve for x
x = 10,145,788,143.36/138,734.99 - Step 6: Final answer
x = 73,130.71
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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.