Finding the Fourth Proportional to 134,655.17, 185,824.08 and 74,226.83
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Solution
The fourth proportional to 134,655.17, 185,824.08 and 74,226.83 is: 102,432.99
Step by Step Solution
- Step 1: Write the proportion equation
134,655.17 : 185,824.08 = 74,226.83 : x - Step 2: Convert to fraction form
134,655.17/185,824.08 = 74,226.83/x - Step 3: Cross multiply
134,655.17x = 185,824.08 × 74,226.83 - Step 4: Simplify right side
134,655.17x = 13,793,131,466.95 - Step 5: Solve for x
x = 13,793,131,466.95/134,655.17 - Step 6: Final answer
x = 102,432.99
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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.