Finding the Fourth Proportional to 139,603.74, 209,326.04 and 95,284.14
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Solution
The fourth proportional to 139,603.74, 209,326.04 and 95,284.14 is: 142,871.90
Step by Step Solution
- Step 1: Write the proportion equation
139,603.74 : 209,326.04 = 95,284.14 : x - Step 2: Convert to fraction form
139,603.74/209,326.04 = 95,284.14/x - Step 3: Cross multiply
139,603.74x = 209,326.04 × 95,284.14 - Step 4: Simplify right side
139,603.74x = 19,945,451,701.01 - Step 5: Solve for x
x = 19,945,451,701.01/139,603.74 - Step 6: Final answer
x = 142,871.90
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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.