Finding the Fourth Proportional to 108,495.13, 149,688.68 and 70,283.97
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Solution
The fourth proportional to 108,495.13, 149,688.68 and 70,283.97 is: 96,969.46
Step by Step Solution
- Step 1: Write the proportion equation
108,495.13 : 149,688.68 = 70,283.97 : x - Step 2: Convert to fraction form
108,495.13/149,688.68 = 70,283.97/x - Step 3: Cross multiply
108,495.13x = 149,688.68 × 70,283.97 - Step 4: Simplify right side
108,495.13x = 10,520,714,045.27 - Step 5: Solve for x
x = 10,520,714,045.27/108,495.13 - Step 6: Final answer
x = 96,969.46
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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.