Finding the Fourth Proportional to 139,260.48, 208,701.96 and 101,644.08
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Solution
The fourth proportional to 139,260.48, 208,701.96 and 101,644.08 is: 152,328.35
Step by Step Solution
- Step 1: Write the proportion equation
139,260.48 : 208,701.96 = 101,644.08 : x - Step 2: Convert to fraction form
139,260.48/208,701.96 = 101,644.08/x - Step 3: Cross multiply
139,260.48x = 208,701.96 × 101,644.08 - Step 4: Simplify right side
139,260.48x = 21,213,318,718.40 - Step 5: Solve for x
x = 21,213,318,718.40/139,260.48 - Step 6: Final answer
x = 152,328.35
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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.