Finding the Fourth Proportional to 112,095.09, 154,688.94 and 61,794.09
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Solution
The fourth proportional to 112,095.09, 154,688.94 and 61,794.09 is: 85,274.59
Step by Step Solution
- Step 1: Write the proportion equation
112,095.09 : 154,688.94 = 61,794.09 : x - Step 2: Convert to fraction form
112,095.09/154,688.94 = 61,794.09/x - Step 3: Cross multiply
112,095.09x = 154,688.94 × 61,794.09 - Step 4: Simplify right side
112,095.09x = 9,558,862,280.36 - Step 5: Solve for x
x = 9,558,862,280.36/112,095.09 - Step 6: Final answer
x = 85,274.59
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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.