Finding the Fourth Proportional to 134,699.68, 185,893.86 and 74,270.14
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Solution
The fourth proportional to 134,699.68, 185,893.86 and 74,270.14 is: 102,497.37
Step by Step Solution
- Step 1: Write the proportion equation
134,699.68 : 185,893.86 = 74,270.14 : x - Step 2: Convert to fraction form
134,699.68/185,893.86 = 74,270.14/x - Step 3: Cross multiply
134,699.68x = 185,893.86 × 74,270.14 - Step 4: Simplify right side
134,699.68x = 13,806,363,135.06 - Step 5: Solve for x
x = 13,806,363,135.06/134,699.68 - Step 6: Final answer
x = 102,497.37
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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.