Finding the Fourth Proportional to 134,620.05, 185,776.95 and 74,192.88
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Solution
The fourth proportional to 134,620.05, 185,776.95 and 74,192.88 is: 102,386.88
Step by Step Solution
- Step 1: Write the proportion equation
134,620.05 : 185,776.95 = 74,192.88 : x - Step 2: Convert to fraction form
134,620.05/185,776.95 = 74,192.88/x - Step 3: Cross multiply
134,620.05x = 185,776.95 × 74,192.88 - Step 4: Simplify right side
134,620.05x = 13,783,326,958.12 - Step 5: Solve for x
x = 13,783,326,958.12/134,620.05 - Step 6: Final answer
x = 102,386.88
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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.