Finding the Fourth Proportional to 143,171.84, 197,675.99 and 89,480.99
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Solution
The fourth proportional to 143,171.84, 197,675.99 and 89,480.99 is: 123,545.54
Step by Step Solution
- Step 1: Write the proportion equation
143,171.84 : 197,675.99 = 89,480.99 : x - Step 2: Convert to fraction form
143,171.84/197,675.99 = 89,480.99/x - Step 3: Cross multiply
143,171.84x = 197,675.99 × 89,480.99 - Step 4: Simplify right side
143,171.84x = 17,688,241,848.65 - Step 5: Solve for x
x = 17,688,241,848.65/143,171.84 - Step 6: Final answer
x = 123,545.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.