Finding the Fourth Proportional to 97,666.13, 145,678.14 and 88,696.70
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Solution
The fourth proportional to 97,666.13, 145,678.14 and 88,696.70 is: 132,299.39
Step by Step Solution
- Step 1: Write the proportion equation
97,666.13 : 145,678.14 = 88,696.70 : x - Step 2: Convert to fraction form
97,666.13/145,678.14 = 88,696.70/x - Step 3: Cross multiply
97,666.13x = 145,678.14 × 88,696.70 - Step 4: Simplify right side
97,666.13x = 12,921,169,836.65 - Step 5: Solve for x
x = 12,921,169,836.65/97,666.13 - Step 6: Final answer
x = 132,299.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.